Cnismatocentrum
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Cnismatocentrum
''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae Cnismatocentridae is a family of brachiopods belonging to the order Terebratulida Terebratulids are one of only three living orders of articulate brachiopods, the others being the Rhynchonellida and the Thecideida. Craniida and Lingulida includ .... Species: *'' Cnismatocentrum parvum'' *'' Cnismatocentrum sakalinensis'' *'' Cnismatocentrum sakhalinensis'' References {{Taxonbar, from=Q3545861 Brachiopod genera Terebratulida ...
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Cnismatocentrum Parvum
''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae Cnismatocentridae is a family of brachiopods belonging to the order Terebratulida Terebratulids are one of only three living orders of articulate brachiopods, the others being the Rhynchonellida and the Thecideida. Craniida and Lingulida includ .... Species: *'' Cnismatocentrum parvum'' *'' Cnismatocentrum sakalinensis'' *'' Cnismatocentrum sakhalinensis'' References {{Taxonbar, from=Q3545861 Brachiopod genera Terebratulida ...
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Cnismatocentrum Sakalinensis
''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae. Species: *''Cnismatocentrum parvum ''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae Cnismatocentridae is a family of brachiopods belonging to the order Terebratulida Terebratulids are one of only three living orders of articulate brachio ...'' *'' Cnismatocentrum sakalinensis'' *'' Cnismatocentrum sakhalinensis'' References {{Taxonbar, from=Q3545861 Brachiopod genera Terebratulida ...
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Cnismatocentrum Sakhalinensis
''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae. Species: *''Cnismatocentrum parvum'' *''Cnismatocentrum sakalinensis ''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae. Species: *''Cnismatocentrum parvum ''Cnismatocentrum'' is a genus of brachiopods belonging to the family Cnismatocentridae Cnismatocentridae is a fami ...'' *'' Cnismatocentrum sakhalinensis'' References {{Taxonbar, from=Q3545861 Brachiopod genera Terebratulida ...
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Cnismatocentridae
Cnismatocentridae is a family of brachiopods belonging to the order Terebratulida Terebratulids are one of only three living orders of articulate brachiopods, the others being the Rhynchonellida and the Thecideida. Craniida and Lingulida include living brachiopods, but are inarticulates. The name, Terebratula, may be derived f .... Genera: * †'' Arcuatothyris'' * '' Cnismatocentrum'' Dall, 1920 * †'' Inopinatarculina'' Ischenko, 2004 * †'' Nucleatina'' Kats, 1962 References {{Taxonbar, from=Q18548350 Brachiopods ...
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Brachiopods
Brachiopods (), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, while the front can be opened for feeding or closed for protection. Two major categories are traditionally recognized, articulate and inarticulate brachiopods. The word "articulate" is used to describe the tooth-and-groove structures of the valve-hinge which is present in the articulate group, and absent from the inarticulate group. This is the leading diagnostic skeletal feature, by which the two main groups can be readily distinguished as fossils. Articulate brachiopods have toothed hinges and simple, vertically-oriented opening and closing muscles. Conversely, inarticulate brachiopods have weak, untoothed hinges and a more complex system of vertical and oblique (diagonal) muscles used to keep the two valves aligned. In many brachiopods, a s ...
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Brachiopod Genera
Brachiopods (), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, while the front can be opened for feeding or closed for protection. Two major categories are traditionally recognized, articulate and inarticulate brachiopods. The word "articulate" is used to describe the tooth-and-groove structures of the valve-hinge which is present in the articulate group, and absent from the inarticulate group. This is the leading diagnostic skeletal feature, by which the two main groups can be readily distinguished as fossils. Articulate brachiopods have toothed hinges and simple, vertically-oriented opening and closing muscles. Conversely, inarticulate brachiopods have weak, untoothed hinges and a more complex system of vertical and oblique (diagonal) muscles used to keep the two valves aligned. In many brachiopods, a s ...
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