Reptilia - Plesiosauria - Pliosauridae

Alternative combinations: Plesiosaurus hawkinsi, Plesiosaurus hawkinsii, Rhomaleosaurus hawkinsi, Thalassiodracon hawkinsi

Synonyms: Plesiosaurus eleutheraxion Seeley 1865, Plesiosaurus eleutheraxon Seeley 1865, Plesiosaurus etheridgei Huxley 1858, Plesiosaurus etheridgii Huxley 1858

Full reference: R. Owen. 1840. Report on British fossil reptiles. Report of the British Association for the Advancement of Science 8:43-126

Belongs to Thalassiodracon according to R. B. J. Benson et al. 2011

See also Delair 1960, Lydekker 1889, Mantell 1851, O'Keefe 2001, Owen 1840, Owen 1859, Owen 1861, Persson 1963, Seeley 1865, Seeley 1869 and Storrs and Taylor 1996

Sister taxa: Plesiosaurus hexatarsostinus, Plesiosaurus pentetarsostinus, Plesiosaurus triatarsostinus

Type specimens:

• Thalassiodracon hawkinsii: BMNH 2018* (lectotype), a skeleton (almost complete skeleton missing distal parts of limbs). Its type locality is Street (general), which is in a Hettangian shallow subtidal limestone/shale in the Blue Lias Formation of the United Kingdom.
• Plesiosaurus eleutheraxon: CAMSM J.35181, a set of postcrania (partial postcranial skeleton). Its type locality is Street (general), which is in a Hettangian shallow subtidal limestone/shale in the Blue Lias Formation of the United Kingdom.
• Plesiosaurus etheridgei:
• Plesiosaurus etheridgii: GSM 51235, a skeleton (nearly complete skeleton missing portions of limbs). Its type locality is Cree's Quarry, Street (bed 30), which is in a Rhaetian/Hettangian carbonate limestone in the White Lias Formation of the United Kingdom.

Distribution:

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Specimen images are retrieved through the ePANDDA API.