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单词 rachitomous
释义

rachitomous

Palaeontology
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.

Origin

Late 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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更新时间:2025/1/11 13:34:38