Theriosuchus_pusillus

<i>Theriosuchus</i>

Theriosuchus

Extinct genus of reptiles

Theriosuchus is an extinct genus of atoposaurid neosuchian from Late Jurassic to Early Cretaceous of Europe (Hungary & southern England), Southeast Asia (Thailand) and western North America (Wyoming), with fragmentary records from Middle Jurassic and Early Cretaceous sites in China, Morocco, and Scotland.[2]

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Taxonomy

Skull elements of T. pusillus

Three valid species are currently recognized: Theriosuchus pusillus from southern England,[3] T. grandinaris from Thailand,[4] and T. morrisonensis from the Morrison Formation of North America.[5] Theriosuchus was previously assigned to Atoposauridae, but a 2016 cladistic analysis recovered it as a neosuchian more closely related to members of the family Paralligatoridae than to atoposaurids.[2]

Two species previously assigned to this genus, Theriosuchus ibericus[6] and T. symplesiodon,[7] have been reassigned to the new genus Sabresuchus.[2] On the other hand, Theriosuchus guimarotae from Portugal[8] has been reassigned to Knoetschkesuchus.[9]

References

  1. [1]
    Rio, Jonathan P.; Mannion, Philip D. (6 September 2021). "Phylogenetic analysis of a new morphological dataset elucidates the evolutionary history of Crocodylia and resolves the long-standing gharial problem". PeerJ. 9: e12094. doi:10.7717/peerj.12094. PMC 8428266. PMID 34567843.
  2. [2]
    Tennant Jonathan P., Mannion Philip D., Upchurch Paul (2016). "Evolutionary relationships and systematics of Atoposauridae (Crocodylomorpha: Neosuchia): implications for the rise of Eusuchia". Zoological Journal of the Linnean Society. 177 (4): 854–936. doi:10.1111/zoj.12400. hdl:10044/1/29026.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. [3]
    Owen, R. (1879). "Monograph on the fossil Reptilia of the Wealden and Purbeck Formations. Supplement IX, Crocodilia (Goniopholis, Brachydectes, Nannosuchus, Theriosuchus, and Nuthetes)". Palaeontographical Society of London Monograph. 33: 1–19. doi:10.1080/02693445.1879.12027958.
  4. [4]
    Lauprasert Komsorn, Laojumpon Chalida, Saenphala Wanitchaphat, Cuny Gilles, Thirakhupt Kumthorn, Suteethorn Varavudh (2011). "Atoposaurid crocodyliforms from the Khorat Group of Thailand: first record of Theriosuchus from Southeast Asia". Paläontologische Zeitschrift. 85 (1): 37–47. doi:10.1007/s12542-010-0071-z. S2CID 128623617.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. [5]
    Foster, J. (2018). "A new atoposaurid crocodylomorph from the Morrison Formation (Upper Jurassic) of Wyoming, USA". Geology of the Intermountain West. 5: 287–295. doi:10.31711/giw.v5i0.32. ISSN 2380-7601.
  6. [6]
    Brinkmann, W. (1992). "Die Krokodilier-Fauna aus der Unter-Kreide (Ober-Barremium) von Uña (Provinz Cuenca, Spanien)". Berliner Geowissenschaftliche Abhandlungen (E). 5: 1–123.
  7. [7]
    Martin Jeremy, Rabi Márton, Csiki Zoltán (2010). "Survival of Theriosuchus (Mesoeucrocodylia: Atoposauridae) in a Late Cretaceous archipelago: a new species from the Maastrichtian of Romania". Naturwissenschaften. 97 (9): 845–854. Bibcode:2010NW.....97..845M. doi:10.1007/s00114-010-0702-y. PMID 20711558. S2CID 32176974.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  8. [8]
    Schwarz, Daniela; Salisbury, Steven W. (2005). "A new species of Theriosuchus (Atoposauridae, Crocodylomorpha) from the Late Jurassic (Kimmeridgian) of Guimarota, Portugal". Geobios. 38 (6): 779–802. doi:10.1016/j.geobios.2004.04.005. ISSN 0016-6995. PDF
  9. [9]
    Schwarz Daniela, Raddatz Maik, Wings Oliver (2017). "Knoetschkesuchus langenbergensis gen. nov. sp. nov., a new atoposaurid crocodyliform from the Upper Jurassic Langenberg Quarry (Lower Saxony, northwestern Germany), and its relationships to Theriosuchus". PLOS ONE. 12 (2): e0160617. Bibcode:2017PLoSO..1260617S. doi:10.1371/journal.pone.0160617. PMC 5310792. PMID 28199316.{{cite journal}}: CS1 maint: multiple names: authors list (link)


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