2177177
type: TaxonName
creator: www.organismnames.com
title: Ptychotrygon ledouxi
name complete: Ptychotrygon ledouxi
nomenclatural code: ICZN
published in: Selachians from the Carlile shale (Turonian) of South Dakota. Journal Paleont, 47(3) 1973: 504-514. 511 [Zoological Record Volume 110]
microreference: 511