Psephodus placenta

(NEWBERRY & WORTHEN, 1866)



Classification: Holocephali

Reference of the original description
NEWBERRY, J.S. & WORTHEN, A.H. (1866)
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2: 9–134

Synonyms / new combinations and misspellings
Helodus placenta

Types
Psephodus placenta



Description :


Citation: Psephodus placenta (NEWBERRY & WORTHEN, 1866): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 07/2019

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