1795409
type: TaxonName
creator: www.organismnames.com
title: Praestriaptychus ryasanensis
name complete: Praestriaptychus ryasanensis
nomenclatural code: ICZN
published in: Middle and Late Callovian Aptychi (Ammonoidea) of the Russian Plate. Paleontologicheskii Zhurnal, 1, Yanvar-Fevral 2004: 26-33. 28 [Zoological Record Volume 141]
microreference: 28