3605869
type: TaxonName
creator: www.organismnames.com
title: Sigmoidina yokoyamai
name complete: Sigmoidina yokoyamai
nomenclatural code: ICZN
published in: Some species of Fossil and Recent Polymorphinidae found in Japan. Japanese Journal of Geology and Geography, 6 1929: pp. 63-78. [Zoological Record Volume 66]