Genus
Extinct

Placochelyanus

subjective synonym of Psephoderma
Pinna 1976
This taxon is considered subjective synonym of of the valid taxon Psephoderma according to the Paleobiology Database. See the page for Psephoderma →
Bibliography
Original description
J. J., Jr. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560