Rudist classification for the revised Bivalvia volumes of the 'Treatise on Invertebrate Paleontology'
Rudist classification for the revised Bivalvia volumes of the 'Treatise on Invertebrate Paleontology'
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发表时间:
2013
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通讯作者:
P. Skelton
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作者:
P. Skelton
An updated phylogenetic classification of rudist bivalves is proposed for the revised Bivalvia volumes of the 'Treatise on Invertebrate Paleontology'. Already formalised as Order Hippuritida Newell, rudists are divided between two new monophyletic suborders established herein, Requieniidina, comprising all taxa attached by the left valve, and Radiolitidina, encompassing all those attached by the right valve. The Requieniidina contains one superfamily, Requienioidea Kutassy, consisting of a small paraphyletic family, Epidiceratidae Renngarten, and a larger derivative family, Requieniidae Kutassy. The Radiolitidina contains two superfamilies re-defined herein, Radiolitoidea d'Orbigny and Caprinoidea d'Orbigny. The paraphyletic Radiolitoidea includes a small basal family, Diceratidae Dall, together with a major clade that encompasses the paraphyletic Monopleuridae Munier Chalmas and a large descendent family, Radiolitidae d'Orbigny, as well as a smaller descendent family, Polyconitidae Mac Gillavry, which, in turn, is considered the root stock for the families Plagioptychidae Douville, Hippuritidae Gray, Caprotinidae Gray, Caprinulidae Yanin, and Trechmannellidae Cox. The monophyletic Caprinoidea d'Orbigny, comprises the monophyletic Family Caprinidae d'Orbigny and paraphyletic Family Caprinuloideidae Damestoy, from which probably arose both the families Ichthyosarcolitidae Douville and Antillocaprinidae Mac Gillavry. This classification covers at least 158 genera (including a few currently being described), leaving 8 poorly known genera as incertae sedis. A glossary of morphological terms is appended.