Where: Argentina (43.3° S, 65.5° W: paleocoordinates 45.7° S, 55.5° W)

• coordinate stated in text

When: Eocene (56.0 - 33.9 Ma)

Environment/lithology: terrestrial

Collection methods: BMNH specimen. "R 2976. Portion of dentary. Lacertilian. Cretaceous? Chubut, Patagonia. Presd by Dr. F. P. Moreno, 1900. (pg. 379)"

Primary reference: R. Hoffstetter. 1959. Un dentaire de Madtsoia (serpent géant du Paléocène de Patagonie). Bulletin du Muséum national d’Historie naturelle, Série 2, Paris 31(4):379-386 [J. Head/J. Head]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61230: authorized by Jason Head, entered by Jason Head on 31.05.2006

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