单词 | rachitomous |
释义 | rachitomousPalaeontology adjective Designating vertebrae consisting of articulated rather than fused pieces; having such vertebrae, temnospondylous; specifically of or relating to the suborder Rhachitomi of labyrinthodont amphibians, known from fossils of the Carboniferous, Permian, and Triassic periods. OriginLate 19th century; earliest use found in Edward Cope (1840–1897). After scientific Latin Rhachitomus, former genus name of a fossil amphibian later identified with the genus Eryops; compare also scientific Latin Rhachitomi, suborder name. |
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