2851161
type: TaxonName
creator: www.organismnames.com
title: Hemigyraspis
name complete: Hemigyraspis
nomenclatural code: ICZN
published in: Notes on Ordovician trilobites. 2. Asaphidae from the Beekmantown. Pittsburgh Annals of the Carnegie Museum, 7 1910: (35-45). 41 [Zoological Record Volume 48]
microreference: 41