单词 | pentameroid |
释义 | pentameroid/pɛnˈtamərɔɪd/Palaeontology adjective Of or relating to the extinct superfamily Pentameroidea or family Pentameridae of articulate brachiopods having roughly pentagonal shells, known from fossils of Ordovician to Devonian age. noun A pentameroid brachiopod. OriginLate 19th century; earliest use found in American Cyclopedia. From scientific Latin Pentamerus + -oid. |
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