Morphological Variability and Change in the Palaeotaxodont Bivalve Mollusk Nuculites planulatus (Upper Ordovician of Quebec)

Autor: Bretsky, Sara S., Bretsky, Peter W.
Zdroj: Journal of Paleontology, 1977 Mar 01. 51(2), 256-271.
Databáze: JSTOR Journals