Some Jurassic species of Plicatula (Pelecypoda) of Poland
Halina Pugaczewska
Acta Palaeontologica Polonica 13 (2), 1968: 223-236
Four species of plicatulas from the Middle and Upper Jurassic have been described. Their external and internal morphology, variability and ontogenetic development have been studied and their systematic and stratigraphic positions - discussed.
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