Glycymeridid bivalves of Miocene, Pliocene and Pleistocene age in the North Sea Basin are revised, and a new Pliocene subspecies, Glycymeris (Glycymeris) radiolyrata exaggerata nov. subsp., is erected. In addition, the earliest presence of Glycymeris (Glycymeris) glycymeris (Linnaeus, 1758) in the North Sea Basin is established as Early Pleistocene, and Glycymeris (Glycymeris) bimaculata (Poli, 1795) is recorded from the North Sea Basin for the first time. Lastly, the poorly known Glycymeris (Glycymeris) auriculata IJspeert, 1942 of Miocene age is reassessed and the subgenus Glycymeris (Pseudaxinea) di Monterosato, 1892 is revived.

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Cainozoic Research

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Peter W. Moerdijk, & Freddy A.D. van Nieulande. (2023). On Miocene-Pleistocene Glycymerididae (Mollusca, Bivalvia) from the North Sea Basin, with the introduction of a new subspecies, Glycymeris (Glycymeris) radiolyrata exaggerata. Cainozoic Research, 23(2), 229–244.