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The largest known extinct bivalve is a species of Platyceramus whose fossils measure up to 3,000 mm (118 in) in length. [ 64 ] In his 2010 treatise, Compendium of Bivalves , Markus Huber gives the total number of living bivalve species as about 9,200 combined in 106 families. [ 65 ]
Tuarangia is a Cambrian shelly fossil interpreted as an early bivalve, [1] though alternative classifications have been proposed and its systematic position remains controversial. [2] It is the only genus in the extinct family Tuarangiidae [3] and order Tuarangiida. [1]
Pecten is a genus of large scallops or saltwater clams, marine bivalve molluscs in the family Pectinidae, ... Fossil shells of Pecten nigromagnus from Pliocene of Italy.
These are marine bivalve molluscs ... Fossils shells have been found all over the world. About 20 extinct species are known. ... Wikipedia® is a registered trademark ...
Entobia in a bivalve shell, Florida.. Entobia is a trace fossil in a hard substrate (typically a shell, rock or hardground made of calcium carbonate) formed by sponges as a branching network of galleries, often with regular enlargements termed chambers.
Of Campanian age, this genus is widespread as a fossil in Cameroon, France, Poland, Austria, Germany and the United States. Fossils up to the Neogene have been found in Belgium , the United Kingdom , and Venezuela ( Pliocene Mare and Playa Grande Formations ) and Miocene Bulgaria , Chile , Colombia , Cyprus , Germany, India , Japan , Malta ...
Anadara is a genus of saltwater bivalves, ark clams, in the family Arcidae. It is also called Scapharca. [1] This genus is known in the fossil record from the Cretaceous period to the Quaternary period (age range: 140.2 to 0.0 million years ago). These fossils have been found all over the world. [2]
Inoceramus (Greek: translation "strong pot") is an extinct genus of fossil marine pteriomorphian bivalves that superficially resembled the related winged pearly oysters of the extant genus Pteria. They lived from the Early Jurassic to latest Cretaceous .