#NEXUS [!This data set was downloaded from TreeBASE, a relational database of phylogenetic knowledge. TreeBASE has been supported by the NSF, Harvard University, Yale University, SDSC and UC Davis. Please do not remove this acknowledgment from the Nexus file. Generated on September 20, 2025; 9:15 GMT TreeBASE (cc) 1994-2008 Study reference: Pyron R.A. 2011. Divergence-Time Estimation Using Fossils as Terminal Taxa and the Origins of Lissamphibia. Systematic Biology, 60(4): 466-481. TreeBASE Study URI: http://purl.org/phylo/treebase/phylows/study/TB2:S11114] [ The following blocks are input data for analysis step 6785 ] BEGIN TAXA; TITLE TaxaForAnalysisStep6785; DIMENSIONS NTAX=76; TAXLABELS Acanthostega Adelogyrinidae Aistopoda Ambystomatidae Amphibamus Amphiumidae Apateon Archeria Ariekanerpeton Asaphestera Ascaphidae Baphetidae Bolitoglossinae Bombinatoridae Brachystelechidae Caeciliidae Calyptocephalellidae Calyptocephallidae Captorhinidae Cardiocephalus Colosteidae Crassigyrinus Cryptobranchidae Dendrerpeton Diadectes Dicamptodontidae Discoglossidae Doleserpeton Ecolsonia Eocaecilia Eryops Gephyrostegidae Heleophrynidae Hemidactylinae Hyloidea Hynobiidae Ichthyophiidae Ichthyostega Karaurus Kotlassia Leiopelmatidae Limnoscelis Lysorophia Megophryidae Microbrachis Myobatrachidae Nectridea Osteolepiformes Panderichthyidae Pantylus Pelobatidae Pelodytidae Pipidae Plethodontinae Procolophonidae Proteidae Proterogyrinus Ranoidea Rhinatrematidae Rhinophrynidae Rhyacotritonidae Rhynchonkos Salamandridae Scaphiopodidae Seymouria Sirenidae Solenodonsaurus Sooglossidae Spelerpinae Synapsida Tersomius Triadobatrachus Tulerpeton Typhlonectidae Utaherpeton Westlothiana ; END; BEGIN CHARACTERS; [! TreeBASE Matrix URI: http://purl.org/phylo/treebase/phylows/matrix/TB2:M10092] TITLE Stegocephalis_morphology; LINK TAXA = TaxaForAnalysisStep6785; DIMENSIONS NCHAR=161; FORMAT DATATYPE=Standard SYMBOLS= "0 1 2 3 4 5" MISSING=? GAP= -; CHARSTATELABELS 1 'Lateral-line location in adults' / in_channels_below_the_surface_of_the_dermal_bones in_grooves_at_the_surface_of_the_dermal_bones in_soft_tissues_or_absent, 2 'Lateral-line canals or grooves in ontogeny' / 'present at least in the adults (may also be present in larvae)' present_only_in_the_larvae never_present, 3 Dermal_sculpturing / '"honeycomb" pattern of ridges and pits' cosmine shallow_pits_widely_spaced_from_each_other_on_an_otherwise_smooth_surface low_bumps_separated_from_each_other_by_relatively_narrow_lower_areas 'absent, smooth bone', 4 Rostrum / 'absent, mouth terminal' 'short, high rostrum protruding anterior to the premaxillary teeth' 'long, low', 5 Orbit_shape / ovoid confluent_with_a_large_antorbital_fenestra open_posteriorly, 6 Jaw_joint_position / posterior_to_the_occiput near_to_the_level_of_the_occiput in_front_of_the_occiput, 7 Frontal / 'represented by a large median bone and a few smaller, lateral ossifications' 'represented by paired, distinct elements' 'represented by a median fronto-parietal' 'represented by a single, median bone', 8 Frontal_orbital_contribution_between_prefrontal_and_postfrontal / absent present, 9 External_naris_position / marginal well_above_skull_margin, 10 Anterior_tectal / present absent, 11 'Skull table-cheek joint' / 'smooth posteriorly, potentially slightly mobile' firmly_sutured_to_the_cheek 'open, slit or fenestra separates skull table from cheek', 12 Parietal_exposure / on_skull_table_only on_skull_table_and_occiput, 13 'Parietal-squamosal contact' / absent present, 14 'Postorbital-supratemporal contact' / present absent, 15 Pineal_foramen / present absent, 16 Intertemporal / present absent, 17 Supratemporal / present absent, 18 Tabular / present absent, 19 Tabular_occipital_flange / absent 'single, extending ventromedially' double 'curved, articulates with postparietal or supratemporal and otic capsule, dorsal flange absent', 20 Subdermal_tabular_horn / absent present, 21 'Ventrally bent, sculptured tabular horn' / absent present, 22 Postparietal_number / 'two (paired)' 'single, median' none, 23 Postpatietal_position / at_least_partly_on_skull_table on_occiput_only, 24 'Tabular-parietal contact' / absent present, 25 Prefrontal / present absent, 26 Prefrontal_anterior_contact / 'anterior tectal, nasal and lacrimal' nasal_and_lacrimal_only 'nasal, lacrimal, and septomaxilla or external naris', 27 Postfrontal / present absent, 28 Postorbital / reaches_orbit excluded_from_orbit absent, 29 Lacrimal / reaches_orbit excluded_from_orbit absent, 30 Jugal / borders_orbit excluded_from_orbit absent, 31 Temporal_emargination / 'absent, area covered by opercular bones' 'present, bordered by squamosal, tabular, and (sometimes) supratemporal' 'absent, area covered by squamosal, supratemporal, and tabular' 'present, bordered by quadrate' 'present, bordered by squamosal', 32 'Maxilla-quadratojugal contact' / present absent, 33 Palatal_shelf_of_the_maxilla / absent present, 34 Tentacular_foramen_in_maxilla / absent present, 35 Quadratojugal / present absent, 36 Occipital_flange_of_squamosal / absent 'present, convex' 'present, concave, in a temporal notch', 37 Lateral_palatal_tooth_row / 'present, complete' incomplete absent, 38 Posteromedial_vomerine_tooth_row / absent present, 39 Palatal_recess / 'present, median' divided_medially absent, 40 Vomerine_fangs / present absent, 41 Vomerine_shagreen_of_denticles / absent present, 42 Palatine / discrete fused_or_absent, 43 Lateral_exposure_of_the_palatine / absent present, 44 Palatine_fangs / present absent, 45 Palatjne_shagreen_of_denticles / absent present, 46 Ectopterygoid / present absent, 47 Ectopterygoid_fangs / present absent, 48 Ectopterygoid_shagreen_of_denticles / absent present, 49 Transverse_flange_of_pterygoid / absent present, 50 Posterior_row_of_large_teeth_on_transverse_flange_of_pterygoid / absent present, 51 Pterygoid_shagreen_of_denticles / present absent, 52 'Pterygoid-maxilla anterior contact' / absent present, 53 'Parasphenoid-vomer contact' / present absent, 54 Interpterygoid_vacuity / narrow broad absent, 55 Palatine_position / excluded_from_interpterygoid_vacuity borders_part_of_the_ectopterygoid_vacuity, 56 Maxilla_position / excluded_from_interpterygoid_vacuity borders_part_of_the_interpterygoid_vacuity, 57 Parasphenoid_morphology / restricted_to_ethmoid_floor_of_braincase 'moderately broad body, narrow cultriform process' 'broad body and broad, poorly differentiated cultriform process' 'very broad body, narrow cultriform process', 58 Parasphenoid_denticles / present absent, 59 Posterior_edge_of_parasphenoid / transverse_or_indented forms_a_posteromedial_process, 60 Ventral_cranial_fissure / present absent, 61 'Post-temporal fenestra' / large 'small, represented by a large foramen', 62 Paroccipital_process / absent present, 63 Otic_tube / absent present, 64 'Exoccipital-dermatocranium contact' / absent with_postparietal with_parietal, 65 Braincase_endochondral_roof / ossified_as_a_unit unossified composed_of_exoccipital composed_of_a_discrete_supraoccipital, 66 Occipital_condyle / with_notochordal_extension 'concave, with notochordal pit' paired 'median, broad, convex' 'narrow, convex', 67 Basioccipital_and_exoccipital / indistinguishably_fused_in_adults suturally_distinct_throughout_ontogeny basioccipitat_never_distinct, 68 Basioccipital_position / reaches_edge_of_foramen_magnum excluded_from_edge_of_foramen_magnum_by_median_exoccipital_contact, 69 Parasphenoid_and_endochondral_braincase_elements / suturally_distinct_in_adults indistinguishably_fused_in_adults, 70 Preopercular / present absent, 71 Subopercular / present absent, 72 Epipterygoid_ossification / present absent, 73 Epipterygoid_and_pterygoid / fused_in_adults suturally_distinct_in_adults, 74 Basicranial_articulation / 'not fused, potentially mobile' sutured._immobile, 75 Distal_end_of_stapes / 'robust, links braincase to quadrate' 'slender, without contact with the quadrate', 76 Dorsal_process_of_stapes / absent confluent_with_the_footplate separated_from_the_footplate_by_a_deep_notch, 77 Proximal_footplate_of_stapes / absent 'present, discrete' represented_by_a_gentle_proximal_swelling, 78 Stapedial_foramen / present absent, 79 Mandibular_fenestrae / absent 'small fenestrae present in splenial, postsplenial, and angular' 'large fenestra(e) present between angular, postsplenial, splenial, and prearticular', 80 Anterior_coronoid / present fused_or_absent, 81 Middle_coronoid / present fused_or_absent, 82 Posterior_coronoid / present fused_or_absent, 83 Anterior_splenial / present fused_or_absent, 84 Postsplenial / present fused_or_absent, 85 Angular / present fused_or_absent, 86 Surangular / present fused_or_absent, 87 Parasymphysial_fangs / present absent, 88 Coronoid_fangs / present absent, 89 Coronoid_denticles / absent present, 90 Dentary / dentigerous edentulous, 91 Retroarticular_process / 'small, directed posteriorly' large 'mid-sized, extends posteroventrally', 92 Medial_mandibular_tooth_row / on_coronoids absent on_pseudodentary, 93 Tooth_crowns / monocuspid bicuspid_or_multicuspid 'bulbous, with cutting edge', 94 Marginal_teeth / 'non-pedicellate' pedicellate, 95 Maxillary_teeth / at_least_as_large_as_dentary_teeth much_smaller_than_dentary_teeth, 96 Labyrinthine_infolding / present absent, 97 Caudal_zygapophyses / absent_from_most_of_the_tail present_on_most_of_the_tail, 98 'Presacral centra (excluding atlas-axis complex)' / 'large, crescentic intercentra and small, paired, dorsal pleurocentra' cylindrical_intercentra_only crescentic_intercentra_only crescentic_intercentra_and_cylindrical_pleurocentra circular_intercentra_and_pleurocentra cylindrical_pleurocentra_only, 99 Neural_arch_fusion / 'absent, or limited to the tip of the neural spines' present_in_the_arch_and_spine closely_applied_halves_separated_by_a_thin_cartilaginous_zone, 100 Neural_arches_and_centra / discrete_elements_throughout_ontogeny fuse_late_in_ontogeny indistinguishably_fused_early_in_ontogeny, 101 Canal_for_supraneural_ligament / present_in_at_least_some_neural_arches absent_throughout_spine, 102 Vertebral_foramina_in_neural_arch_pedicle / absent present, 103 Anterior_dorsal_neural_arches / 'flat or concave (in anterior or posterior view)' 'swollen (convex)', 104 Atlanta1_arch / paired 'fused (median)', 105 Odontoid_process / absent 'present, consisting of a convex median process' 'present, formed by two flat or slightly concave facets facing anteroiaterally', 106 Anterior_articular_surface_of_atlantal_centrum / no_broader_than_posterior_surface broader_than_posterior_surface, 107 'Anterior process of axial intercentrum-atlantal pleurocentrum complex' / absent present, 108 Atlanta1_pleurocentrum_and_axial_intercentrum / discrete_elements fused_to_each_other, 109 Atlanta1_intercentrum / present absent, 110 Atlantal_pleurocentrum / paired median, 111 'Transverse process in mid-presacral vertebrae' / absent short long, 112 Parapophysis / 'short, small facets' 'almost as long as the diapophysis (transverse process)' absent_or_not_distinct_from_diapophysis, 113 'Capitulum articulation in mid-presacrals' / on_intercentrum_of_its_segment on_intercentrum_and_pleurocentrum_of_its_segment on_pleurocentrum_of_its_segment on_pleurocentrum_of_segment_in_front on_the_transverse_process, 114 Number_of_presacral_vertebrae / 23_to_32 fewer_than_23 33_to_60 more_than_60, 115 Number_of_sacral_vertebrae / none one two_or_more, 116 Rib_length / 'less than four centra (segments) long' at_least_four_centra_long, 117 Discrete_dorsal_fin / present absent, 118 Radials_in_caudal_fin / present absent, 119 Uncinate_processes / absent present, 120 Interclavicle / without_a_parasternal_process with_a_parasternal_process absent, 121 Clavicle / present absent, 122 Clavicle_shape / 'with a ventral plate (expansion)' without_a_ventral_plate, 123 Cleithrum / with_adorsal_expansion 'slender, without adiscrete dorsal expansion' with_aventral_expansion absent, 124 Postbranchial_lamina / present absent, 125 Anodeithrum / present absent, 126 Lateral_extrascapular / present ahsent, 127 Median_extrascapular / present absent, 128 Number_of_scapulocoracoid_ossifications / one two three, 129 Scapulocoracoid_and_cleithrum / 'coossified (at least in adults)' discrete_elements, 130 Humerus / present absent, 131 Supinator_process / 'low, indistinct' 'high, well defined', 132 Anterior_humeral_ridge / present absent, 133 Ectepicondyle / 'low, indistinct' 'high, well defined', 134 Pectoral_tubercle / 'separated from proximal articular surface by finished (periosteal) bone' 'confluent with proximal articular surface (not separated from it by periosteal bone)', 135 Entepicondyle / broad narrow, 136 Ectepicondylar_foramen / present absent, 137 Entepicondylar_foramen / present absent, 138 Radius_and_ulna / discrete_elements 'fused into radio-ulna', 139 Olecranon_process / absent_or_cartilaginous ossified, 140 Ulna_length / shorter_than_radius equal_or_longer_than_radius, 141 Number_of_digits_in_manus / none eight five four, 142 Number_of_pelvic_ossifications / one three two, 143 Iliac_blade / very_short with_discrete_dorsal_and_posterior_flanges 'with a single, posterodorsal flange' 'with a single, dorsal flange' with_along_anterodorsal_flange, 144 Internal_trochanter / absent_or_not_represented_by_a_discrete_structure 'present, separated from proximal articular surface by finished (periosteal) bone' not_separated_from_proximal_articular_surface_by_finished_bone, 145 Intertrochanteric_fossa / 'present, proximal femoral head concave ventrally' 'absent, proximal femoral head flat or convex ventrally', 146 Femoral_adductor_blade / absent 'present, long' 'present, reduced distally', 147 Tibia_and_fibula / discrete_elements fused_into_tibiofibula, 148 Astragalus / absent present, 149 Tibiale_and_fibulare / short long, 150 Number_of_pedal_digits / none seven five four, 151 Number_of_phalanges_in_second_pedal_digit / two three, 152 Number_of_phalanges_in_third_pedal_digit / three four, 153 Number_of_phalanges_in_forth_pedal_digit / four five three, 154 Number_of_phalanges_in_fifth_pedal_digit / four five three two, 155 Lepidotrichia_in_caudal_fin / present absent, 156 'Unknown: see Laurin and Reisz (1999)' / present absent, 157 'Tabular-postfrontal contact' / absent present, 158 'Parietal-postorbital contact' / absent present, 159 Humeral_length / equivalent_to_at_least_four_dorsal_centra shorter_than_four_dorsal_centra, 160 Posterior_margin_of_skull / concave straight convex 'undulating (concave on each side, extends posteriorly in the midline)', 161 Number_of_premaxillary_teeth / more_than_12 6_to_11 5_or_fewer, ; MATRIX [ 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 ] [ . . . . . . . . . . . . . . . . . . . . . . . . ] Acanthostega 000000100110000100000000010010100000001000001010000010000{01}01?10??01?00?0000010???????001?0000000?01???????????1???10???00000011000001?000000101??1????????0001120 Adelogyrinidae 1000011011101-0111---00-0?01?04{01}00012??1100110100000?0001101??01?1???11???????????00001??0010001?5101001?00-112033-011100001111-11----------4-------------11-1-{03}1 Aistopoda 2{12}?00{12}{12}{01}11100-01{01}{01}?00{012}0?010{01}002{01}000?1?21?001????00?0?0001??1-00-{03}1{02}??110?0?011011111111--00100011{15}121101000-112023?011121-3?111-?1----------4--------?----100--31 Ambystomatidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Amphibamus ??000010??10000100???0000100001?0000102010?0100?100?011?3001????????0110????102??00000?1?00111??1{03}10?00????????0001011000?111110?0????11101?322??2000200111?00130 Amphiumidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Apateon ??{04}001111?10000100{12}0?000010000100000202000000000001001103101?????????11??????????0??00???0??11?01?????0??????????01?11?0001?111010???????0?13{12}2???0??2001211001{13}0 Archeria 1020001001000?00001100010100101100001?????0??0?0000010001101-0001110011000????20000000{01}110010000141000000000012012111100000111101000100100112212020002????1200002 Ariekanerpeton 2100011011100100002000010100001?0000202010001011100012--3?11111??11?011000????20000000111001000?131{01}1010???????0{01}11011010011111110?10?0100?122????0??2110210001{01}2 Asaphestera 2{12}40011011100-011010000-010000210001{01}02?100?10?10000??00????0??13210?11??0????????0?001??0010001?512100???????{12}0??{12}01?0?0???111??0010?01000???1????????????010031 Ascaphidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Baphetidae 100010101110000{01}001000000100001{01}000020{02}0?000?00?000010001?010100011?011000????100000000110010000?210???????????0??????1{01}010??11?1000110100???{12}1???0???????1200?11 Bolitoglossinae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Bombinatoridae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Brachystelechidae 2{12}4{12}021111111-01100002--0{12}00002?0011?02?000?00100010100011{01}1100-3200{01}11010001{01}21110?0?1--001{01}001151210??110-11?030111101011111101001?0110011?2210201-21{01}{01}{12}10{01}10{013}2 Caeciliidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Calyptocephalellidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Calyptocephallidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Captorhinidae 220{01}01111110110101---01-0100002100012021000111--1000100011110100340?01101?021021100100110001000113111010000101202121110100{13}1111210011001001122010201-2110110-1012 Cardiocephalus 2{12}41021011100-011010000-0100002100012021100110110000100011011001?210011??000110???0?001?10010001?311?00???0-11?0??{12}01?0??????11??001001110?1?2?20?0????????010122 Colosteidae 100000100110000{01}00100000020{01}0020000?001000000000000010001001010111000110000110200?0000001001001010100000???0002002101110000011101000{01}0010011{23}201020002001?1001131 Crassigyrinus 1000001?11000?0000110000000010100000001?0000000?0000?0001?01?????1??011000????0000000001100100000200-000000-0-100??111000001111?100011000000?{12}1??20???????1100100 Cryptobranchidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Dendrerpeton 2{12}0000101110000000?01000010000100000202010001001?00001001001???1?????11??0???02???00000110010000?010?00????????001??11?000011110?0011??10011?20102000?????1000030 Diadectes 2{12}30011011100001003001100100003100002021100110101010100011011100{03}311011??1?2102?0?01001??00?0001131{12}101000110120212?11110001111?10111?0100112201020???????1201002 Dicamptodontidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Discoglossidae 22{04}0212-11100-1111---2--1-1222400000212101---1--001111-13111101-122-0111-11011011111111--1011101-{15}121001{02}10-1122401011020121111110010?111111323010101200131---011 Doleserpeton 2?0000111?10000100?0?0000100001100001021101111--000101103001????12??0111-11010?00000000??0?111?1131110000?00?1???11?11??????1110?0?10011100??2?10200?2????1000?10 Ecolsonia 2{12}0000111110000100201000020000100000202010101000100001003101110112?0011?0?1???20000000?1100100001010100???????200???11100001111010111001101??2?1010?0?????1200001 Eocaecilia 2240021011111-1111---2--0200002101000021000101--000001102001100-?2{02}-111??00010?11111111--01211?1131??10111001110?2?0110?????111??0????1110?1???1??0???????12--130 Eryops 2{12}0000101110000100201000010010100000202010001001100001001{01}010101221001101110102000000001100100001010100{01}{12}0000?2000111110000111101011100110113221010002????12-0000 Gephyrostegidae 2{12}500111?100000000???0010100001{01}00002020100010011000?00010?1??0????0011??0????0??00000011001000??310100000000?20?1?111010011111010001?010011221??20{01}-211?01200002 Heleophrynidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Hemidactylinae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Hyloidea ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Hynobiidae 2240221-11111-1111---2--0112022-0010212101---1--001001-12111100-122-0111-00011011111011--00101011{15}121101110-1121201011021-3-1110-00101111001322110000{23}0{01}2210--?10 Ichthyophiidae 2240021011211-1111---2--1-12222-1110002101-1-1--0011011021-1100-122-1111-00011011111111--01{12}01011{15}121?01210-111023-011021-3-111--1----------4--------0---?12---21 Ichthyostega 000000100010000100{12}0010001001010000000000001?01?00?012000100?10??0??00000?????0000000001?0000000001000????????100111101100001110000010000011?010010001????0200001 Karaurus 2?00221-1?1?1-1111---2--0?121221000?212101---1--001001-12101?????????11??0?010?11111011--0?1????1{15}12??01???-112?201011021-3-1110-0????1110?13{12}????0?02001210--010 Kotlassia 2{12}00011011100100002000010100001?0000002??00?10??100010001?11111111??01100010202000000011100100?013111010???00?20{01}1{12}111110001111?10111?01101??21102000?????1000101 Leiopelmatidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Limnoscelis 2{12}3101101110000100300111010000210000202110011010110010001001?000331?011010????2?0001000110010000131{12}10100?110?20{12}121110?00{01}1111?101110010011221102000211011201002 Lysorophia 2240221011101-111000001-0212022-0011102100-101--001000002101100132100111-00011011101001--00100011{15}201000110-1120331011{01}{01}011111101001011110003{12}22020??2102210--122 Megophryidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Microbrachis 10?0011011101-011010000-0?000021000120211001101100001000110101013210011010?01020000000111001000115101000110-1120321011000111111010010?01000?321{12}020?0211{01}21001111 Myobatrachidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Nectridea {12}{01}000{012}{13}{01}11{01}0{01}001{01}0{01}00001020{012}002{01}000{01}0021{01}001{01}{01}1000{01}0{01}{01}{01}0111101011210011?1{01}????211{01}010011{01}00{01}00011{15}121001210-112{01}2{01}1011000011111010111?01{01}0?1320??201?211121001101 Osteolepiformes 00{01}0010010000000000000000000000000000000000000000-00000000000000000?0000000000?000000000000000000{01}00000?00000000010000000000000000010000000000000000?0----0?00100 Panderichthyidae 000200100000000{01}0000000000000{01}0000000000?000?000???00{02}00?0???????????000000001000000000000000000010??0?0???-??000??010000?00000?00000????0000??????0?0----0?00?10 Pantylus 2{12}01011011100-111010000-0100002100012021100111--00001000311101003210011010???12?0?00001110010001151210?1110-112031111101011111101001000100113201020002????1110012 Pelobatidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Pelodytidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Pipidae 2240212-11100-{01}111---2--1-12224-0010202101-1-1--0011?1-1{23}111101-122-0111-11011011111111--1010{01}01-{15}121001{02}10-1122-01-11-201211111100101111111323010101200131---?12 Plethodontinae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Procolophonidae 224102111111000101---2--0100003100012021100110101000100011010100341?0110101011211001001100010001131{12}1?10000101?021211101013-1112-0110001000122210201-2110110-1132 Proteidae 224?221--1110-1111---2--1-12222---10002101---1--001-0---21011002122-0111-00011010111111--00111-11{15}121101110-1121201011021-3-1110-001011110013121100003002-10--?10 Proterogyrinus 1{01}20001001000?0000110001010000110?001????0001001?00010001001-0001110011010????20000000001001000013100000000000?0111111000001011010001001001122120200021??01000032 Ranoidea ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Rhinatrematidae 2240021011210-1111---2--1-12222-1110002101-1-1--101101102111100-122-0111-00010011111111--01201011{15}121?01210-111023-011021-3-111--1----------4--------0---?12---22 Rhinophrynidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Rhyacotritonidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Rhynchonkos 2{12}4{12}021011100-011010000-0100002?00??00210001001-0010?00010{01}110013210011010001{01}210000001100000001131210011100112??220110?00???11?100100111011?2{02}102000{23}10??1010122 Salamandridae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Scaphiopodidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Seymouria 2{12}0001101110010000201001010000110000202010001011100012--3111111111100110001021000000001110010000131110100000002011{12}01101001111111011100100012212020002????12000{01}2 Sirenidae 2240221--111{01}-1111---2--1-12222-00101021{01}0-111---0--0---21{01}11002122-0111--001?011111111111212{01}011{15}121101110-112122-011021-3-111{01}-001011110013--------0----10--?01 Solenodonsaurus 2{12}300010??10?001?0???001010000410000{12}????00?1???1?0???001011????3???0110????????????001??0010001?311?00????????02?111?01?00?????10010?010001???????????????20100? Sooglossidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Spelerpinae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Synapsida 22{34}{01}01111110000100300011010000200001202110011010110010001{01}01{01}100{03}4{01}10110100210{02}1000100110001000113111000000{01}0120212111010001111210111001001122{02}10201-211011201032 Tersomius 2{12}00011111100001002??00001000010000020200010000010100110300101011200011011????20000000010001110??{03}10?0??????????????110??????11??0???????0????????0???????1000?10 Triadobatrachus 2{12}30212-?1101-0111---2--0?12?24?0??0{12}????00101-?0011?1113101?01-??2?0111-?101101111111?--1?-?????{15}121001010-11222010110?0?11111?10?1??111011?13010000?????1?--11? Tulerpeton 00{02}0????0???????????????????????????1?001??????????????????????????????????????????????????????0????????????????????????00010???1000100110101?11010001???2??????0 Typhlonectidae ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Utaherpeton 2{12}4?011011???-0??0?????-0200002?0001????????1?????0???????????????1???????????????0?0????00?0001151{12}?0?????-1?{12}??1{12}0110001???11??001???10011321???0?02110211011?? Westlothiana 2{12}40011{01}??00000100??00010?00002?000?2????0??10110000?00011?1????????0??0?0???????00?0011100100011311100???????2012?0110?00??????101110{01}10011{23}201020002110110011?1 ; END; [ The following blocks are output data for analysis step 6785 ] BEGIN TREES; TITLE Stegocephalis_result; LINK TAXA = TaxaForAnalysisStep6785; TREE Fig._1 = [&R] (Osteolepiformes:0.086716,Panderichthyidae:0.042543,(Ichthyostega:0.128894,(Acanthostega:0.040915,(Tulerpeton:0.148194,(Crassigyrinus:0.112495,(Baphetidae:0.090403,(Colosteidae:0.168295,(Proterogyrinus:0.053612,Archeria:0.0568):0.088996,((Dendrerpeton:0.020426,(Eryops:0.036117,(Ecolsonia:0.058882,(Amphibamus:0.024892,Doleserpeton:0.159441,(Tersomius:0.019646,Apateon:0.060298):0.069886):0.135303):0.04449):0.094821):0.108293,(Gephyrostegidae:0.070635,((Kotlassia:0.050829,(Seymouria:0.048743,Ariekanerpeton:0.018268):0.068777):0.087656,((Solenodonsaurus:0.084217,((Limnoscelis:0.059961,Diadectes:0.061701):0.03851,(Synapsida:0.026053,(Captorhinidae:0.083528,Procolophonidae:0.125553):0.054855):0.061911):0.100577):0.09625,(Westlothiana:0.036614,(Aistopoda:0.276329,Nectridea:0.117851,Utaherpeton:0.038408,(Adelogyrinidae:0.191655,Microbrachis:0.032395):0.069018,(Pantylus:0.105558,Asaphestera:0.034762,(Rhynchonkos:0.083237,Cardiocephalus:0.047587,(Brachystelechidae:0.124979,(Lysorophia:0.11768,(Proteidae:0.057467,(Karaurus:0.073501,Hynobiidae:0.017497):0.044779,(Triadobatrachus:0.081874,(Discoglossidae:0.038506,Pipidae:0.020478):0.107372):0.272426,(Sirenidae:0.062939,(Eocaecilia:0.188052,(Rhinatrematidae:0.055876,Ichthyophiidae:0.022286):0.127547):0.161287):0.081086):0.375408):0.225912):0.098939):0.088725):0.05058):0.112545):0.091755):0.142563):0.077281):0.079005):0.100634):0.079027):0.103343):0.229163):0.134305):0.060423):0.282422); [! TreeBASE tree URI: http://purl.org/phylo/treebase/phylows/tree/TB2:Tr48026] END;