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Melbournopterus : ウィキペディア英語版 | Melbournopterus
''Melbournopterus'' is a genus of prehistoric chelicerate or brachiopod, known from the Upper Silurian of Australia. It is of uncertain taxonomic placement within the subphylum Chelicerata. Lamsdell, Percival and Poschmann (2013) argued that ''Melbournopterus crossotus'' is not a chelicerate at all, and interpreted its type specimen as the dorsal valve of a craniate brachiopod. ==Description== If ''Melbournopterus'' is a chelicerate, it is distinguished by its prosoma (head), which is bell-shaped and emarginate in front, with subrectangular compound eyes located posteriorly on the prosoma, which strongly converge anteriorly. It was small in size, and its abdomen and appendages are unknown.〔 1955. Merostomata. ''Treatise on Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata'', P39.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Melbournopterus」の詳細全文を読む
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