Project 4798: C. F. Kammerer. 2019. Revision of the Tanzanian dicynodont Dicynodon huenei (Therapsida: Anomodontia) from the Permian Usili Formation. PeerJ. 7:e7420.
Specimen: † Basilodon woodwardi (unvouchered)
View: skull lateral view

Abstract

A single species of the dicynodontoid dicynodont Dicynodon is currently recognized from the late Permian Usili Formation of Tanzania: Dicynodon huenei Haughton, 1932. Restudy of the known Tanzanian materials of D . huenei demonstrates that they represent two distinct morphotypes, here considered separate taxa. The holotype of D . huenei is not referable to Dicynodon and instead is transferred to the genus Daptocephalus (but retained as a valid species, Daptocephalus huenei comb. nov.). A number of published dicynodontoid specimens from the Usili Formation, however, are referable to Dicynodon , and are here recognized as a new species ( Dicynodon angielczyki sp. nov.) Dicynodon angielczyki can be distinguished from its South African congener Dicynodon lacerticeps by the presence of an expansion of the squamosal and jugal beneath the postorbital bar and a curved, posterolateral expansion of the squamosal behind the temporal fenestra. Inclusion of Dicynodon angielczyki and D . huenei in a phylogenetic analysis supports their referral to Dicynodon and Daptocephalus (respectively). These results indicate higher basinal endemism in large late Permian dicynodonts than previously thought, a sharp contrast to the cosmopolitanism in the group in the earliest Triassic.


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Article DOI: 10.7717/peerj.7420

Project DOI: 10.7934/P4798, http://dx.doi.org/10.7934/P4798
This project containsMatrices
  • 1 Media
  • 1 Matrix
  • 1 Document
  • 107 Taxa
  • 1 Specimen
  • 174 Characters
Total size of project's media files: 1.44M

Download Project SDD File
Total scored cells: 13162
Total media associated with cells: 0
Total labels associated with cell media: 0
Characters
Total characters: 174
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 418
Total character states with associated media: 0
Total character states with media with labels:0
Total unordered/ordered characters:174/0
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MorphoBank Project 4798
  • Creation Date:
    01 August 2023
  • Publication Date:
    15 August 2023
  • Project views: 2852

    Authors' Institutions

    • North Carolina Museum of Natural Sciences, Raleigh



    Members

    member name taxa specimens media chars character
    media
    labels
    cell scorings
    (scored, NPA, "-")
    cell
    medialabels
    rules
    Shreya Jariwala
    Project Administrator
    107111740013162
    (13162, 0, 0)
    000


    Taxonomic Overview for Matrix 'M29406' (107 Taxa)

    taxon unscored
    cells
    scored
    cells
    no cell
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    NPA
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    "-" cellscell images labels on
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    [1] † Biarmosuchus tener
    Last Modified in 08/01/23
    2215215200001
    [2] † Hipposaurus boonstrai
    Last Modified in 08/01/23
    2415015000001
    [3] † Archaeosyodon praeventor
    Last Modified in 08/01/23
    6710710700001
    [4] † Titanophoneus potens
    Last Modified in 08/01/23
    1316216100001
    [5] † Gorgonops torvus
    Last Modified in 08/01/23
    1116316300001
    [6] † Lycosuchus vanderrieti
    Last Modified in 08/01/23
    1915515500001
    [7] † Glanosuchus macrops
    Last Modified in 08/01/23
    1116316300001
    [8] † Biseridens qilianicus
    Last Modified in 08/01/23
    5911511500001
    [9] † Anomocephalus africanus
    Last Modified in 08/01/23
    146282800001
    [10] † Tiarajudens eccentricus
    Last Modified in 08/01/23
    120545400001
    [11] † Otsheria netzvetajevi
    Last Modified in 08/01/23
    88868600001
    [12] † Ulemica
    Last Modified in 08/01/23
    4712812700001
    [13] † Suminia getmanovi
    Last Modified in 08/01/23
    1915515500001
    [14] † Patranomodon nyaphulii
    Last Modified in 08/01/23
    4413013000001
    [15] † Galeops whaitsi
    Last Modified in 08/01/23
    5611811800001
    [16] † Galepus jouberti
    Last Modified in 08/01/23
    134404000001
    [17] † Galechirus scholtzi
    Last Modified in 08/01/23
    117575700001
    [18] † Eodicynodon oelofseni
    Last Modified in 08/01/23
    80949400001
    [19] † Eodicynodon oosthuizeni
    Last Modified in 08/01/23
    616816800001
    [20] † Colobodectes cluveri
    Last Modified in 08/01/23
    7010410400001
    [21] † Lanthanostegus mohoii
    Last Modified in 08/01/23
    115595900001
    [22] † Eosimops newtoni
    Last Modified in 08/01/23
    1516115900001
    [23] † Diictodon feliceps
    Last Modified in 08/01/23
    717016700001
    [24] † Robertia broomiana
    Last Modified in 08/01/23
    1216216200001
    [25] † Prosictodon dubei
    Last Modified in 08/01/23
    4812612600001
    [26] † Endothiodon bathystoma
    Last Modified in 08/01/23
    1316416100001
    [27] † Endothiodon tolani
    Last Modified in 08/01/23
    4612912800001
    [28] † Niassodon mfumukasi
    Last Modified in 08/01/23
    4313113100001
    [29] † Brachyprosopus broomi
    Last Modified in 08/01/23
    2115315300001
    [30] † Pristerodon mackayi
    Last Modified in 08/01/23
    716716700001
    [31] † Emydops
    Last Modified in 08/01/23
    716816700001
    [32] † Digalodon rubidgei
    Last Modified in 08/01/23
    5312112100001
    [33] † Dicynodontoides
    Last Modified in 08/01/23
    816616600001
    [34] † Kombuisia frerensis
    Last Modified in 08/01/23
    5412012000001
    [35] † Myosaurus gracilis
    Last Modified in 08/01/23
    2714714700001
    [36] † Cistecephalus microrhinus
    Last Modified in 08/01/23
    1116516300001
    [37] † Cistecephaloides boonstrai
    Last Modified in 08/01/23
    5212212200001
    [38] † Kawingasaurus fossilis
    Last Modified in 08/01/23
    3513913900001
    [39] † Daqingshanodon limbus
    Last Modified in 08/01/23
    5212212200001
    [40] † Keyseria benjamini
    Last Modified in 08/01/23
    7410010000001
    [41] † Rhachiocephalus magnus
    Last Modified in 08/01/23
    1815715600001
    [42] † Kitchinganomodon crassus
    Last Modified in 08/01/23
    3913513500001
    [43] † Oudenodon bainii
    Last Modified in 08/01/23
    616916800001
    [44] † Tropidostoma dubium
    Last Modified in 08/01/23
    1715715700001
    [45] † Australobarbarus
    Last Modified in 08/01/23
    4113313300001
    [46] † Syops vanhoepeni
    Last Modified in 08/01/23
    86888800001
    [47] † Odontocyclops whaitsi
    Last Modified in 08/01/23
    2115315300001
    [48] † Idelesaurus tataricus
    Last Modified in 08/01/23
    4113313300001
    [49] † Aulacephalodon bainii
    Last Modified in 08/01/23
    617316800001
    [50] † Pelanomodon moschops
    Last Modified in 08/01/23
    6211311200001
    [51] † Geikia locusticeps
    Last Modified in 08/01/23
    3513913900001
    [52] † Geikia elginensis
    Last Modified in 08/01/23
    78969600001
    [53] † Elph borealis
    Last Modified in 08/01/23
    6011411400001
    [54] † Interpresosaurus blomi
    Last Modified in 08/01/23
    130444400001
    [55] † Katumbia parringtoni
    Last Modified in 08/01/23
    5312112100001
    [56] † Delectosaurus arefjevi
    Last Modified in 08/01/23
    6610910800001
    [57] † Dicynodon lacerticeps
    Last Modified in 08/01/23
    3514013900001
    [58] † Daptocephalus leoniceps
    Last Modified in 08/01/23
    2614814800001
    [59] † Dinanomodon gilli
    Last Modified in 08/01/23
    5012412400001
    [60] † Peramodon amalitzkii
    Last Modified in 08/01/23
    78969600001
    [61] † Vivaxosaurus trautscholdi
    Last Modified in 08/01/23
    3214414200001
    [62] † Jimusaria sinkiangensis
    Last Modified in 08/01/23
    5312112100001
    [63] † Sintocephalus alticeps
    Last Modified in 08/01/23
    94808000001
    [64] † Basilodon woodwardi
    Last Modified in 08/01/23
    6311111100001
    [65] † Turfanodon bogdaensis
    Last Modified in 08/01/23
    88868600001
    [66] † Gordonia traquairi
    Last Modified in 08/01/23
    7110310300001
    [67] † Euptychognathus bathyrhynchus
    Last Modified in 08/01/23
    6011411400001
    [68] † Lystrosaurus hedini
    Last Modified in 08/01/23
    4113313300001
    [69] † Lystrosaurus maccaigi
    Last Modified in 08/01/23
    3414014000001
    [70] † Lystrosaurus curvatus
    Last Modified in 08/01/23
    3414014000001
    [71] † Lystrosaurus declivis
    Last Modified in 08/01/23
    1316116100001
    [72] † Lystrosaurus murrayi
    Last Modified in 08/01/23
    1316116100001
    [73] † Shansiodon
    Last Modified in 08/01/23
    3314114100001
    [74] † Tetragonias njalilus
    Last Modified in 08/01/23
    916616500001
    [75] † Vinceria andina
    Last Modified in 08/01/23
    78969600001
    [76] † Rhinodicynodon gracile
    Last Modified in 08/01/23
    4113313300001
    [77] † Dinodontosaurus
    Last Modified in 08/01/23
    1615815800001
    [78] † Angonisaurus cruickshanki
    Last Modified in 08/01/23
    4512912900001
    [79] † Kannemeyeria simocephalus
    Last Modified in 08/01/23
    1016416400001
    [80] † Kannemeyeria lophorhinus
    Last Modified in 08/01/23
    4512912900001
    [81] † Dolichuranus primaevus
    Last Modified in 08/01/23
    3014414400001
    [82] † Sinokannemeyeria
    Last Modified in 08/01/23
    2614814800001
    [83] † Parakannemeyeria
    Last Modified in 08/01/23
    2315215100001
    [84] † Xiyukannemeyeria brevirostris
    Last Modified in 08/01/23
    4612812800001
    [85] † Rabidosaurus cristatus
    Last Modified in 08/01/23
    101737300001
    [86] † Rhadiodromus
    Last Modified in 08/01/23
    79969500001
    [87] † Wadiasaurus indicus
    Last Modified in 08/01/23
    6411111000001
    [88] † Shaanbeikannemeyeria
    Last Modified in 08/01/23
    5312112100001
    [89] † Rechnisaurus cristarhynchus
    Last Modified in 08/01/23
    99757500001
    [90] † Uralokannemeyeria vjuschkovi
    Last Modified in 08/01/23
    95797900001
    [91] † Zambiasaurus submersus
    Last Modified in 08/01/23
    111636300001
    [92] † Placerias hesternus
    Last Modified in 08/01/23
    5112312300001
    [93] † Moghreberia nmachouensis
    Last Modified in 08/01/23
    76989800001
    [94] † Stahleckeria potens
    Last Modified in 08/01/23
    1016416400001
    [95] † Sangusaurus parringtonii
    Last Modified in 08/01/23
    4013413400001
    [96] † Eubrachiosaurus browni
    Last Modified in 08/01/23
    163111100001
    [97] † Jachaleria
    Last Modified in 08/01/23
    4313113100001
    [98] † Ischigualastia jenseni
    Last Modified in 08/01/23
    2115315300001
    [99] † Rastodon procurvidens
    Last Modified in 08/01/23
    7110310300001
    [100] † Sauroscaptor tharavati
    Last Modified in 08/01/23
    79959500001
    [101] † Bulbasaurus phylloxyron
    Last Modified in 08/01/23
    5112712300001
    [102] † Compsodon helmoedi
    Last Modified in 08/01/23
    6311111100001
    [103] † Pentasaurus goggai
    Last Modified in 08/01/23
    150242400001
    [104] † Thliptosaurus imperforatus
    Last Modified in 08/01/23
    106686800001
    [105] † Ufudocyclops mukanelai
    Last Modified in 08/01/23
    6311111100001
    [106] † Dicynodon angielczyki
    Last Modified in 08/01/23
    3813613600001
    [107] † Daptocephalus huenei
    Last Modified in 08/01/23
    6411011000001


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    Project overview160
    Matrix views116Matrix landing page (108 views); Kamerer 2019 (8 views);
    Documents list112
    Bibliography93
    Views for media list139
    Media views454Media search (384 views); M890509 (70 views);
    Taxon list1540
    Specimen list238