Studies on the genus Olivella
Olsson, A.A. (1956). Studies on the genus Olivella. Proc. Acad. Nat. Sci. Philad. 108: 155-225, plates 8-16
In: Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences: Philadelphia,. ISSN 0097-3157; e-ISSN 1938-5293, more
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