Taxon profile


Ptychonema Perner, 1903

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Pleurotomariida »  family Eotomariidae »  subfamily Eotomariinae

Included taxa

Number of records: 3

species Ptychonema bussacense (Sharpe, 1853)
species Ptychonema desiderata (Barrande in Perner, 1907)
Ordovician: Darriwilian – Sandbian
species Ptychonema nigrum Barrande in Perner, 1903
Ordovician: Sandbian – Katian

Links and literature

EN Fossilworks - Paleobiology Database [68607]

Fossilworks - Paleobiology Database [] [as Ptychonema Perner, 1903]
Data retrieved on: 13 December 2015
EN The Interim Register of Marine and Nonmarine Genera [1396733]

Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [] [as Ptychonema Perner in Barrande, 1903]
Data retrieved on: 4 April 2020

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extinct taxon