Taxonomy, phylogeny, and variability of Pseudisograptus Beavis
Cooper, R. A. (Roger Alan), 1939- Yunan, Ni
Article
1986
Palaeontology
29
313--363
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/165657
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