Comments On The Proposed Conservation Of Ptychagnostus Jaekel, 1909 And Glyptagnostus Whitehouse, 1936 (Trilobita)
Rushton, Awa
Article
1992
The Bulletin of zoological nomenclature
49
150--151
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/75715