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Bishanopliosaurus Temporal range: Toarcian-Bajocian PreꞒ Ꞓ O S D C P T J K Pg N

Skeleton
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Superorder:	†Sauropterygia
Order:	†Plesiosauria
Suborder:	†Pliosauroidea
Genus:	†Bishanopliosaurus Dong, 1980
Type species
†Bishanopliosaurus youngi Dong, 1980
Other species
†B. zigongensis Gao et al., 2003

Bishanopliosaurus is a genus of plesiosaur. The type species is B. youngi, based on remains found in the Ziliujing Formation of China.^[1]

Description

Bishanopliosaurus was a small plesiosaur, measuring about 4 m (13 ft) long.^[1] It can be differentiated by the bifurcated ribs of its sacrum. Unusually, it appears to be a freshwater plesiosaur.^[2] A second species, B. zigongensis, is known from the slightly later Xiashaximiao Formation.^[3]

References

^ ^a ^b Dong, Z.-M. "A new plesiosauria from the Lias of Sichuan Basin" (PDF). Vertebrata PalAsiatica. 18 (3): 191–197. Archived from the original (PDF) on 2012-03-01. Retrieved 2010-02-21.
^ Sato, T.; Li, C.; Wu, X.-C. (2003). "Restudy of Bishanopliosaurus youngi Dong 1980, a freshwater plesiosaurian from the Jurassic of Chongqing". Vertebrata PalAsiatica. 41 (1): 17–33.
^ Gao, Y.-H.; Ye, Y.; Jiang, S. (2004). "A new species of Bishanopliosaurus from Middle Jurassic of Zigong, Sichuan" (PDF). Vertebrata PalAsiatica. 42 (2): 162–165. Archived from the original (PDF) on 2017-10-21. Retrieved 2017-10-20.

Sauropterygia

Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Subclass: Diapsida
Clade: Neodiapsida

Sauropsida

- see Sauropsida

Sauropterygia	see below↓

Sauropterygia

Helveticosauridae?

Eusaurosphargis?
Helveticosaurus

Saurosphargidae

Placodontia

Paraplacodus Pararcus Placodus
Cyamodontoidea	Cyamodus Glyphoderma Henodus Macroplacus Parahenodus Placochelys Protenodontosaurus Psephochelys Psephoderma Psephosauriscus Psephosaurus Sinocyamodus

Eosauropterygia

- see below↓

Eosauropterygia

Corosaurus
Cymatosaurus

Pachypleurosauria

Nothosauroidea

Brevicaudosaurus Hispaniasaurus? Sanchiaosaurus
Simosauridae	Paludidraco Simosaurus
Nothosauridae	Ceresiosaurus Germanosaurus Lariosaurus Metanothosaurus Nothosaurus Proneusticosaurus Silvestrosaurus

Pistosauroidea

Augustasaurus Bobosaurus Chinchenia Kwangsisaurus Pistosaurus Tanaisosaurus Wangosaurus Yunguisaurus
Plesiosauria	see below↓

Eardasaurus Gallardosaurus Liopleurodon Lorrainosaurus Megalneusaurus UANL-FCT-R2? Peloneustes "Pliosaurus" andrewsi Pliosaurus Simolestes
Brachaucheninae	Acostasaurus Brachauchenius Eiectus Kronosaurus Luskhan Makhaira Megacephalosaurus Monquirasaurus Polyptychodon Sachicasaurus Stenorhynchosaurus

Plesiosauroidea

Eoplesiosaurus Eretmosaurus Franconiasaurus Leurospondylus Plesiopharos Plesiopterys Plesiosaurus Westphaliasaurus
Microcleididae	Hydrorion Lusonectes Microcleidus Occitanosaurus Seeleyosaurus
Cryptoclidia	see below↓

Cryptoclidia

Cryptoclididae

Opallionectes
Colymbosaurinae	Abyssosaurus Colymbosaurus Djupedalia Pantosaurus Spitrasaurus
Cryptoclidinae	Cryptoclidus Kimmerosaurus Ophthalmothule Tatenectes
Muraenosaurinae	Muraenosaurus Picrocleidus Tricleidus? Vinialesaurus

Xenopsaria

Leptocleidia

Hastanectes?
Nichollssaura?

Leptocleididae

Polycotylidae

Palmulasaurinae

Pahasapasaurus?
Palmulasaurus

Occultonectia

Plesiopleurodon
Sulcusuchus

Polycotylinae

Dolichorhynchia	Dolichorhynchops Martinectes Unktaheela

Aphrosaurus Chubutinectes Futabasaurus Fresnosaurus? Hydrotherosaurus? Kawanectes Marambionectes Morenosaurus Tuarangisaurus Vegasaurus Zarafasaura?
Aristonectinae	Alexandronectes Aristonectes Kaiwhekea Morturneria Wunyelfia

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Description

See also

References