''Protochelydra zangerli'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of chelydid in the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

''Protochelydra'' of Chelydridae.

References

Chelydridae Extinct reptiles Paleogene reptiles of North America Eocene turtles Prehistoric turtle genera Fossil taxa described in 1973 Extinct turtles {{paleo-turtle-stub