†Helagras prisciformis Cope 1883 (snake)
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Full reference: E. D. Cope. 1883. First addition to the fauna of the Puerco Epoch. Paleontological Bulletin 36:545-563
Belongs to Helagras according to O. P. Hay 1930
See also Cope 1883, Hay 1902 and Rage 1984
Sister taxon: Helagras orellanensis
Type specimen: AMNH 1628, a set of vertebrae (two posterior thoracic vertebrae). Its type locality is San Juan Basin (non-specific), which is in a Puercan terrestrial horizon in the Nacimiento Formation of New Mexico.
Ecology: planktonic suspension feeder
Distribution:
• Paleocene of United States (2: New Mexico collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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