Protostegidae
Extinct family of turtles / From Wikipedia, the free encyclopedia
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Protostegidae is a family of extinct marine turtles that lived during the Cretaceous period. The family includes some of the largest sea turtles that ever existed. The largest, Archelon, had a head one metre (39 in) long. Like most sea turtles, they had flattened bodies and flippers for front appendages; protostegids had minimal shells like leatherback turtles of modern times.
Quick Facts Scientific classification, Type species ...
Protostegids | |
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Life restoration of Archelon ischyros | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Testudines |
Suborder: | Cryptodira |
Clade: | Panchelonioidea (?) |
Family: | †Protostegidae Cope, 1873 [3] |
Type species | |
†Protostega gigas Cope, 1872 | |
Genera | |
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