Species: seymourensis (CHATTERJEE & SMALL 1989) CHATTERJEE & CREISLER,
1994
= Turneria seymourensis CHATTERJEE & SMALL 1989
Etymology: In reverence to Seymour Island, West
Antarctica, Antarctica, where the specimen was found.
Holotype: TTU P 9219
Locality: Seymour Island, below James Ross Island, Northeast Peninsula, West Antarctica, Antarctica.
Horizon: Lopez de Bertodano Formation.
Biostratigraphy:
Age: Upper Campanian-Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Fragmentary skull and associated cervical vertebrae.
Skull from O'Keefe, Otero, Soto-Acuna, O'Gorman, Godfrey & Chatterjee, 2017. A) dorsal, B) lateral views.
Skull modified from O'Keefe, Otero, Soto-Acuna, O'Gorman, Godfrey & Chatterjee, 2017. A) dorsal, B) lateral and C) ventral views.