Family
Valid Extinct

Plesiosauridae

Gray 1825

The Plesiosauridae are a monophyletic family of plesiosaurs named by John Edward Gray in 1825.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
9
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
Plesiosauridae
click to enlarge
Paleo Hall at HMNS © Kim Alaniz · CC BY 2.0 · Wikimedia
Plesiosauridae
Plesiosauridae
PBDB Wikipedia
Classification
Sauropterygia Suborder
Plesiosauria Order
Plesiosauroidea Superfamily
Plesiosauridae Family
Fossil sites 9 geolocated sites
Distribution
Top countries
🇪🇬 Egypt
3
🇫🇷 France
2
🇬🇧 United Kingdom
2
🇨🇦 Canada
1
🇵🇹 Portugal
1
Geological formations
Duwi
3
São Gião
1
Calcaires de Caen
1
Great Oolite
1
Ashdown
1
Temporal distribution
Campanian (83.6–72.2 Ma)
3
Valanginian (137.05–132.6 Ma)
1
Berriasian (143.1–137.05 Ma)
1
Bathonian (168.2–165.3 Ma)
2
Toarcian (184.2–174.7 Ma)
1
Sinemurian (199.5–192.9 Ma)
1
Synonyms (4)
Brancasauridae subjective synonym of Plesiosauridae
Muraenosauridae subjective synonym of Plesiosauridae
Plesiosaurus neogaeus nomen vanum, species not entered Plesiosauridae
Tremamesacleididae subjective synonym of Plesiosauridae
Images 2
Bibliography
Original description
R. L. Carroll. 1988. Vertebrate Paleontology and Evolution.
Bibliography (7)
A. S. Smith, R. Araujo, and O. Mateus. 2012. A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal. Acta Palaeontologica Polonica 57(2):257-266 DOI ↗
P. Austen, D. Brockhurst, and K. Honeysett. 2010. Vertebrate fauna from Ashdown Brickworks, Bexhill, East Sussex. Wealden News (8):13-23
E. L. Nicholls. 1976. The oldest known North American occurrence of Plesiosauria (Reptilia: Sauropterygia) from the Liassic (Lower Jurassic) Fernie Group, Alberta, Canada. Canadian Journal of Earth Sciences 13(1):185-188 DOI ↗
J. B. Delair. 1966. New records of dinosaurs and other fossil reptiles from Dorset. Proceedings of the Dorset Natural History and Archaeological Society 87:57-66
M. Gemmellaro. 1921. Rettili maëstrichtiani di Egitto [Maastrichtian reptiles of Egypt]. Giornale di Scienze Naturali ed Economiche 32:340-351
R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia DOI ↗
H.-E. Sauvage. 1873. Notes sur les reptiles fossiles. Bulletin de la Société Géologique de France, série 3 1:365-386