1817793
type: TaxonName
creator: www.organismnames.com
title: Ptychodus cyclodontis
name complete: Ptychodus cyclodontis
nomenclatural code: ICZN
published in: The First Mesozoic Caribbean shark is from the Turonian of Cuba: Ptychodus cyclodontis sp. nov. (?Neoselachii). Journal of Vertebrate Paleontology, 25(4), 30 December 2005: 976-978. 976 [Zoological Record Volume 142]
microreference: 976