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单词 Porpita
释义

Porpita

/ˈpɔːpɪtə/
Zoology and Palaeontology
noun
A kind of pelagic colonial hydroid consisting of a central gastrozooid surrounded by gonozooids and defensive polyps, all hanging from a flattened, circular, chitinous float; a fossil of such a hydroid (now rare ). Also (in form Porpita): the genus of chondrophores (family Porpitidae) to which these hydroids belong.
  • Valid publication of the genus name: Lamarck Système des animaux sans vertèbres (1801) 355, after earlier use as specific epithet, e.g. in Medusa Porpita Linnaeus (1758)..

Origin

Early 18th century; earliest use found in John Woodward (d. 1728), physician, natural historian, and antiquary. From scientific Latin Porpita from ancient Greek πόρπη brooch, clasp + classical Latin -īta.

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更新时间:2025/2/23 12:16:58