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Pleiosaurus macromerus Phillips 1871 (plesiosaur)

Reptilia - Sauropterygia - Pliosauridae

PaleoDB taxon number: 255061

Full reference: J. Phillips. 1871. Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford 1-523

Belongs to Pleiosaurus according to J. Phillips 1871

Sister taxa: Cetiosaurus rigauxi, Plesiosaurus giganteus, Pliosaurus andrewsi, Pliosaurus brachydeirus, Pliosaurus carpenteri, Pliosaurus funkei, Pliosaurus gamma, Pliosaurus grandis, Pliosaurus grossouvrei, Pliosaurus irgisensis, Pliosaurus kevani, Pliosaurus patagonicus, Pliosaurus phosphaticus, Pliosaurus portentificus, Pliosaurus rossicus, Pliosaurus westburyensis

Type specimen: Lectotype: OUMNH J. 10441, a set of vertebrae (cervical vertebra). Its type locality is Shotover Railway Cutting (Great Western Railway excavation), near Swindon, which is in a Kimmeridgian marine horizon in the Kimmeridge Clay Formation of the United Kingdom.

Ecology: aquatic carnivore