Cetiosauridae

Cetiosauridae; Temporal range: Late Toarcian—Callovian,
	Restoration of Cetiosaurus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	†Sauropodomorpha
Clade:	†Sauropoda
Clade:	†Eusauropoda
Family:	†Cetiosauridae; Lydekker, 1888
Subgroups[1]
	†Cetiosaurus; †Chebsaurus?; †Ferganasaurus?; †Mamenchisaurinae?; †Lapparentosaurus; †Patagosaurus; †Perijasaurus?; †"Rutellum"?;

Cetiosauridae is a family of sauropod dinosaurs which was first proposed by Richard Lydekker in 1888.[2] While traditionally a wastebasket taxon containing various unrelated species, some recent studies have found that it may represent a natural clade.[1] Alongside Cetiosaurus from the Middle Jurassic of Britain, other taxa recently assigned to the family include Lapparentosaurus from the Middle Jurassic of Madagascar,[3] and Patagosaurus from the late Early-Middle Jurassic of Patagonia,[4] which share autapomorphies with Cetiosaurus that are not shared by other eusauropods. Additionally, at least one study has suggested that the mamenchisaurids may represent a sub-group of the cetiosaurids, which would be termed Mamenchisaurinae.[1]

References

Holtz, Thomas R. Jr. (2012) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2011 Appendix.
R. Lydekker. 1888. Catalogue of the Fossil Reptilia and Amphibia in the British Museum (Natural History). Part I. Containing the Orders Ornithosauria, Crocodilia, Dinosauria, Squamata, Rhynchocephalia, and Proterosauria. British Museum (Natural History), London 1-309
Raveloson, M. L. T.; Clark, N. D.; Rasoamiaramana, A. H. (2019). "New Information on the Madagascan Middle Jurassic Sauropod Lapparentosaurus madagascariensis". Geosciences. 9 (12): 498. Bibcode:2019Geosc...9..498R. doi:10.3390/geosciences9120498.
Holwerda, Femke M.; Rauhut, Oliver W. M.; Pol, Diego (2021-07-22). "Osteological revision of the holotype of the Middle Jurassic sauropod dinosaur Patagosaurus fariasi Bonaparte, 1979 (Sauropoda: Cetiosauridae)". Geodiversitas. 43 (16). doi:10.5252/geodiversitas2021v43a16. ISSN 1280-9659. S2CID 237537773.

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[Holtz2008-1] Holtz, Thomas R. Jr. (2012) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2011 Appendix.

[2] R. Lydekker. 1888. Catalogue of the Fossil Reptilia and Amphibia in the British Museum (Natural History). Part I. Containing the Orders Ornithosauria, Crocodilia, Dinosauria, Squamata, Rhynchocephalia, and Proterosauria. British Museum (Natural History), London 1-309

[3] Raveloson, M. L. T.; Clark, N. D.; Rasoamiaramana, A. H. (2019). "New Information on the Madagascan Middle Jurassic Sauropod Lapparentosaurus madagascariensis". Geosciences. 9 (12): 498. Bibcode:2019Geosc...9..498R. doi:10.3390/geosciences9120498.

[4] Holwerda, Femke M.; Rauhut, Oliver W. M.; Pol, Diego (2021-07-22). "Osteological revision of the holotype of the Middle Jurassic sauropod dinosaur Patagosaurus fariasi Bonaparte, 1979 (Sauropoda: Cetiosauridae)". Geodiversitas. 43 (16). doi:10.5252/geodiversitas2021v43a16. ISSN 1280-9659. S2CID 237537773.