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Protostega ('first roof') is an
extinct genus of sea
turtle containing a
single species,
Protostega gigas. Its
fossil remains have been
found in the Smoky...
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contained A.
marshii and A. copei,
though these have been re****igned to
Protostega and Kansastega, respectively. The
genus was
named in 1896 by American...
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impressions from the
large lamnid sharks of the time. Two
specimens of
Protostega gigas have been
discovered to have
tooth marks from
large sharks. In addition...
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Gryposuchus Aktiogavialis Chelonioidea Allopleuron Archelon Pneumatoarthrus Protostega Araripemydidae Araripemys Bothremydidae Agkistrognathus Anshunsaurus Askeptosaurus...
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including a
display of
small fossils (including Champsosaurus, Dromaeosaurus,
Protostega,
among others.),
modern animals that can be
traced back to the dinosaur...
- †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †
Protostega †Rhinochelys †Santanachelys †Terlinguachelys †Adocus †Argillochelys...
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Cretaceous and
rivaled the
concurrent giant protostegids such as
Archelon and
Protostega as one of the
largest turtles to ever exist.
Unlike the protostegids,...
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Dryptosaurus and Ornithopsis, and in his 1872
description of the sea
turtle Protostega he
decided that
Pneumatoarthrus was
likely a sea
turtle as well, which...
- †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †
Protostega †Rhinochelys †Santanachelys †Terlinguachelys †Adocus †Argillochelys...
- †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †
Protostega †Rhinochelys †Santanachelys †Terlinguachelys †Adocus †Argillochelys...
