Name - Ptychodus polygyrus Agassiz 1839

Life Sciences Identifier (LSID)

urn:lsid:organismnames.com:name:4429663 [metadata]

Variants and Synonyms

• Ptychodus polygyrus Ag.

• Ptychodus polygyrus

• Ptychodus marginalis Agassiz 1839

Reported Taxonomic Ranks

Species

Reported Taxonomic Hierarchies

Recent Publications

• THE LATE CRETACEOUS SHARK PTYCHODUS MARGINALIS IN THE WESTERN INTERIOR SEAWAY, USA.
• A Note on the Occurrence of Ptychodus polygyrus (Ptychodontidae) from the Late Cretaceous of Alabama, with Comments on the Stratigraphic and Geographic Distribution of the Species.

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