Trinacromerum is an extinct genus of sauropterygian reptile, a member of the polycotylid plesiosaurs. It contains two species, T. bentonianum and T. kirki...

Martinectes was historically considered to represent a species of the genus Trinacromerum and later Dolichorhynchops before it was moved to its own genus. It...

Life restoration of Trinacromerum bentonianum...

Trinacromerum bentonianum Dolichorhynchia...

present Adams Museum & House. By 1937 it had been identified as Trinacromerum bentonianum by Stephen Chapman Simms, the director of the Field Museum. In...

Trinacromerum bentonianum from the Late Cretaceous of Kansas...

plesiosaur embryos. F. W. Cragin named the genus and species Trinacromerum bentonianum from Kansas. 1890 In an article published in the New York Herald...

Morphologically, it is overall most similar to the polycotyline polycotylids Trinacromerum and Dolichorhynchops. However, several features separate Mauriciosaurus...

three additional polycotylid taxa, Eopolycotylus, Palmulasaurus and Trinacromerum, have been named from the same formation, two of which are currently...

locality for species †Trilophosaurus jacobsi †Trinacromerum – type locality for genus †Trinacromerum bentonianum – type locality for species †Triodus †Triopticus...

Trinacromerum bentonianum...

americana †Trigonia elegantissima †Trigonia montanaensis †Trinacromerum †Trinacromerum bentonianum – tentative report †Trisauropodiscus Turritella †Tyrannosauripus...

latiremis Trachycardium †Tragodesmoceras †Trinacromerum – type locality for genus †Trinacromerum bentonianum – type locality for species Turritella †Tylosaurus...

†Trigonodus sandbergi – or unidentified comparable form †Trinacromerum †Trinacromerum bentonianum – tentative report †Tripennaculus – type locality for genus...

locality for species †Trilophosaurus jacobsi †Trinacromerum – type locality for genus †Trinacromerum bentonianum – type locality for species †Trinitichelys...

†Tragodesmoceras †Tragodesmoceras bassi †Trinacromerum – type locality for genus †Trinacromerum bentonianum – type locality for species Turritella †Turritella...

tropicensis Nearly complete specimen with associated gastroliths (MNA V10046). A polycotylid. Trinacromerum T. ?bentonianum Multiple specimens. A polycotylid....

†Sulcoretusa dominici – type locality for species †Sumitomoceras †Sumitomoceras bentonianum †Sumitomoceras conlini †Supersaurus – type locality for genus †Supersaurus...