3101457
type: TaxonName
creator: www.organismnames.com
title: Polygyra appressa extrema
name complete: Polygyra appressa extrema
nomenclatural code: ICZN
published in: A new variety of Polygyra appressa (Say). Nautilus Philadelphia, 53(3) 1940: p. 98. [Zoological Record Volume 77]