Nuculidae (Bivalvia) in the Cape Melville Formation, King George Island, Antarctica, with an overview of the bivalve fauna
Nuculid bivalves of the Cape Melville Formation (Early Miocene, King George Island)
are reviewed. Ten bivalve taxa are listed from the formation in the families Nuculidae (two species),
Sareptidae, Malletiidae, Limopsidae (two species), Limidae, Pectinidae, Hiatellidae, and Periplomatidae.
The Nuculidae consist of two species of Leionucula Quenstedt, 1930. One of these, L. melvilleana n. sp., is
described and the other consists of the two species named previously by Anelli et al. (2006), which are
demonstrated to be synonymous and are assigned to the species Leionucula frigida (Anelli, Rocha-Campos,
Santos, Perinotto & Quaglio 2006). This assemblage, dominated by protobranchs (89% of specimens), is
a typical fauna of offshore soft substrates, with a few specimens transported from hard substrates nearby.
The diversity of Nuculidae has decreased in the Antarctic region through the Cenozoic.
Authors: Whittle, Rowan J. ORCID record for Rowan J. Whittle, Quaglio, Fernanda, Crame, J. Alistair ORCID record for J. Alistair Crame, Linse, Katrin ORCID record for Katrin Linse
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