On the type species of Macrocephalites Zittel 1884 and the type specimen of Ammonites macrocephalus Schlotheim 1813
Callomon, John H. (John Hannes), 1928-2010
Article
1971
Palaeontology
14
114--130
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/164992
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