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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...
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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...
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Martinectes was
historically considered to
represent a
species of the
genus Trinacromerum and
later Dolichorhynchops before it was
moved to its own genus. Two...
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three additional polycotylid taxa, Eopolycotylus,
Palmulasaurus and
Trinacromerum, have been
named from the same formation, two of
which are currently...
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Polycotylidae Dolichorhynchops Edgarosaurus Manemergus Sulcusuchus Thililua Trinacromerum Pliosaurs:
Early Jur****ic - Late
Cretaceous Kronosaurus Liopleurodon...
- Ichthyornis),
plesiosaurs (Dolichorhynchops, Elasmosaurus, Styxosaurus, and
Trinacromerum),
turtles (Protostega and Toxochelys), and
several bony and cartilaginous...
- s4-21.123.221. Williston, S. W. (1908). "North
American plesiosaurs:
Trinacromerum".
Journal of Geology. 16 (8): 715–735. Bibcode:1908JG.....16..715W....
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Illustration of
plesiosaur flippers.
Meyerasaurus and
Trinacromerum. From The
Osteology of the
Reptiles (1925)...
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different plesiosaurs varied significantly, with an
estimated length of
Trinacromerum being three meters and
Mauisaurus growing to
twenty meters. The following...
- Terminonatator, Polycotylus, Brachauchenius,
Dolichorhynchops and
Trinacromerum; the
mosasaurs Mosasaurus, Halisaurus, Prognathodon, Tylosaurus, Ectenosaurus...
