Maomingosuchus

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Maomingosuchus Temporal range: Late Eocene: Priabonian, 37.8–33.9 Ma^[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓

Two fossils, Zhejiang Natural History Museum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Archosauromorpha
Clade:	Archosauriformes
Order:	Crocodilia
Clade:	Longirostres
Superfamily:	Gavialoidea
Genus:	†Maomingosuchus Shan et al., 2017
Species
Maomingosuchus petrolica (Yeh, 1958) (Type) Maomingosuchus acutirostris Massonne et al., 2022
Synonyms
Tomistoma petrolica Yeh, 1958

Maomingosuchus is an extinct genus of gavialoid crocodylian from Late Eocene of Southeast Asia. It was discovered in Priabonian-aged deposits of China and possibly also Thailand.^[2] The type species, originally Tomistoma petrolica, was named in 1958^[3] and was redescribed as Maomingosuchus in 2017.^[4] A second species, Maomingosuchus acutirostris, was described in 2022 from middle-upper Eocence deposits (late Bartonian–Priabonian age, 39–35 Ma) of the Na Duong Basin in northern Vietnam.^[5] It is proposed to be a basal member of Gavialoidea,^[1] or alternatively within the family Tomistominae.^[5] It was a relatively small gavialoid with an estimated total length of 3–3.5 metres (9.8–11.5 ft).^[6]^[4]

References

[edit]

^ ^a ^b 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.
^ Martin, Jeremy E.; Lauprasert, Komsorn; Tong, Haiyan; Suteethorn, Varavudh; Buffetaut, Eric (2019). "An Eocene tomistomine from peninsular Thailand". Annales de Paléontologie. 105 (3): 245–253. doi:10.1016/j.annpal.2019.03.002.
^ H.-K. Yeh. (1958). A new crocodile from Maoming, Kwangtung. Vertebrata PalAsiatica 2(4):237-242
^ ^a ^b Hsi-Yin Shan; Xiao-Chun Wu; Yen-Nien Cheng; Tamaki Sato (2017). "Maomingosuchus petrolica, a restudy of "Tomistoma" petrolica Yeh, 1958". Palaeoworld. 26 (4): 672–690. doi:10.1016/j.palwor.2017.03.006.
^ ^a ^b Massonne T, Augustin FJ, Matzke AT, Weber E, Böhme M (2022). "A new species of Maomingosuchus from the Eocene of the Na Duong Basin (northern Vietnam) sheds new light on the phylogenetic relationship of tomistomine crocodylians and their dispersal from Europe to Asia". Journal of Systematic Palaeontology. 19 (22): 1551–1585. doi:10.1080/14772019.2022.2054372. S2CID 248909844.
^ Iijima, M.; Kubo, T. (2020). "Vertebrae-Based Body Length Estimation in Crocodylians and Its Implication for Sexual Maturity and the Maximum Sizes". Integrative Organismal Biology. 2 (1). obaa042. doi:10.1093/iob/obaa042. PMC 7891683.

Extinct crocodilians

Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Clade: Pseudosuchia
Clade: Eusuchia

Pseudosuchia

- see Pseudosuchia

Neosuchia

see Neosuchia
Crocodilia	see below↓

Basal crocodilians

Mekosuchinae	Australosuchus? Baru Harpacochampsa? Kalthifrons Kambara Mekosuchus Paludirex Quinkana? Trilophosuchus Ultrastenos Volia
Others	Albertosuchus Arenysuchus? Asiatosuchus Borealosuchus? Brachyuranochampsa Charactosuchus "Crocodylus" acer "Crocodylus" affinis Portugalosuchus? Pristichampsus? Prodiplocynodon Planocraniidae?

Alligatoroidea

Globidonta

Albertochampsa Arambourgia Brachychampsa Ceratosuchus Deinosuchus? Eocaiman Hassiacosuchus Leidyosuchus? Navajosuchus Procaimanoidea? Stangerochampsa
Orientalosuchina	Dongnanosuchus Eoalligator Eurycephalosuchus Jiangxisuchus Krabisuchus Orientalosuchus Protoalligator

Alligatoridae

Alligatorinae

Akanthosuchus? Allognathosuchus Arambourgia? Ceratosuchus? Chrysochampsa Hassiacosuchus? Navajosuchus? Procaimanoidea? Wannaganosuchus?
Alligator	A. hailensis A. mcgrewi A. mefferdi A. munensis A. olseni A. prenasalis A. thomsoni

Caimaninae

Acresuchus Bottosaurus Brachychampsa? Centenariosuchus Ceratosuchus? Chinatichampsus Culebrasuchus Eocaiman? Globidentosuchus Gnatusuchus Kuttanacaiman Mourasuchus Necrosuchus Orthogenysuchus Paranacaiman Paranasuchus Protocaiman Purussaurus Stangerochampsa? Tsoabichi Wannaganosuchus?
Melanosuchus	M. fisheri M. latrubessei
Caiman	C. australis C. brevirostris C. gasparinae C. venezuelensis C. wannlangstoni

"Crocodylus" megarhinus? Kinyang? Quinkana? Tzaganosuchus? Voay
Crocodylus	C. anthropophagus C. checchiai C. falconensis C. palaeindicus C. thorbjarnarsoni

Gavialoidea

Gavialidae

Sacacosuchus

Tomistominae
sensu stricto

Brasilosuchus? Gavialosuchus? Melitosaurus Paratomistoma? Thecachampsa?
Tomistoma	T. calaritanum? T. gaudense? T. lusitanicum? T. taiwanicum?

Gavialinae
sensu lato

Aktiogavialis Dadagavialis Gavialosuchus? Gryposuchus Hanyusuchus Harpacochampsa? Hesperogavialis Ikanogavialis Maomingosuchus? Paratomistoma? Penghusuchus Piscogavialis Rhamphosuchus Siquisiquesuchus Sutekhsuchus "Tomistoma" cairense? "Tomistoma" coppensi Toyotamaphimeia
Gavialis	G. bengawanicus G. breviceps? G. browni? G. curvirostris? G. leptodus? G. lewisi? G. pachyrhynchus? G. papuensis?

See also: Brevirostres
Gryposuchinae

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