Trinacromerum is an extinct genus of sauropterygian reptile, a member of the polycotylid plesiosaurs. It contains two species, T. bentonianum and T. kirki. Specimens have been discovered in the Late Cretaceous fossil deposits of what is now modern Kansas and Manitoba.[1]
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Trinacromerum is an extinct genus of sauropterygian reptile, a member of the polycotylid plesiosaurs. It contains two species, T. bentonianum and T. kirki...
Masters thesis by Bonner 1964. Note that it was described by Bonner as "Trinacromerum osborni" which was the accepted genus name at the time. Larger specimens...
Martinectes was historically considered to represent a species of the genus Trinacromerum and later Dolichorhynchops before it was moved to its own genus. It...
three additional polycotylid taxa, Eopolycotylus, Palmulasaurus and Trinacromerum, have been named from the same formation, two of which are currently...
Morphologically, it is overall most similar to the polycotyline polycotylids Trinacromerum and Dolichorhynchops. However, several features separate Mauriciosaurus...
s4-21.123.221. Williston, S. W. (1908). "North American plesiosaurs: Trinacromerum". Journal of Geology. 16 (8): 715–735. Bibcode:1908JG.....16..715W....
different plesiosaurs varied significantly, with an estimated length of Trinacromerum being three meters and Mauisaurus growing to twenty meters. The following...
Ichthyornis), plesiosaurs (Dolichorhynchops, Elasmosaurus, Styxosaurus, and Trinacromerum), turtles (Protostega and Toxochelys), and several bony and cartilaginous...
waters at the time. †Trinacromerum †Trinacromerum kirki 93–70 Ma, Turonian to Maastrichtian Manitoba, Canada †Tuarangisaurus †Trinacromerum kirki 72-68 MA Tahora...
1871) Bonner, O. W. 1964. An osteological study of Nyctosaurus and Trinacromerum with a description of a new species of Nyctosaurus. Unpub. Masters Thesis...
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