1690504
type: TaxonName
creator: www.organismnames.com
title: Protocardiaster
name complete: Protocardiaster
nomenclatural code: ICZN
published in: British Cretaceous echinoids: Part 7, Atelostomata, 1. Holasteroida. Monograph of the Palaeontographical Society, 156(619), July 2003: 440-568. 476 [Zoological Record Volume 140]
microreference: 476