Platyceramus
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Platyceramus was a genus of Cretaceous bivalve molluscs belonging to the extinct inoceramid lineage. It is sometimes classified as a subgenus of Inoceramus.
Platyceramus platinus with Pseudoperna congesta, Gove County, Kansas, USA, Late Cretaceous Royal Ontario Museum DSC00063
Bivalvia
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Bivalvia or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of aquatic molluscs that have laterally compressed soft bodies enclosed by a calcified exosk
Platyceramus
…Platyceramus was a genus of Cretaceous bivalve molluscs belonging to the extinct inoceramid lineage. It is sometimes classified as a subgenus of Inoceramus. The largest and best known species is P…
Haeckel Acephala
Empty shell of the giant clam (Tridacna gigas)
Empty shells of the sword razor (Ensis ensis)
Anadara, a bivalve with taxodont dentition from the Pliocene of Cyprus