Sphaeroidal enrolment and thoracic characters in Beltella depressa and other olenid trilobites
Whittington, H. B. (Harry Blackmore), 1916-2010
Article
1996
Palaeontology
39
377--388
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/166142
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