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单词 palaeoniscoid
释义

Definition of palaeoniscoid in English:

palaeoniscoid

(also paleoniscoid)
adjective ˌpalɪəʊˈnɪsɔɪdˌpalɪəʊˈnɪskɔɪdˌpeɪlɪəʊˈnɪskɔɪd
  • Of, relating to, or characteristic of a large group of extinct actinopterygian fishes with heterocercal tails, mainly of Palaeozoic times (thought to be related to the modern sturgeons and paddlefishes); specifically designating the diamond-shaped ganoid scales characteristic of these fishes.

noun ˌpalɪəʊˈnɪsɔɪdˌpalɪəʊˈnɪskɔɪdˌpeɪlɪəʊˈnɪskɔɪd
  • A palaeoniscoid fish; specifically one of the suborder Palaeoniscoidei.

Origin

Late 19th century; earliest use found in Archibald Geikie (1835–1924), geologist and historian. From scientific Latin Palaeoniscus, genus name + -oid.

Definition of palaeoniscoid in US English:

palaeoniscoid

(also paleoniscoid)
adjective
  • Of, relating to, or characteristic of a large group of extinct actinopterygian fishes with heterocercal tails, mainly of Palaeozoic times (thought to be related to the modern sturgeons and paddlefishes); specifically designating the diamond-shaped ganoid scales characteristic of these fishes.

noun
  • A palaeoniscoid fish; specifically one of the suborder Palaeoniscoidei.

Origin

Late 19th century; earliest use found in Archibald Geikie (1835–1924), geologist and historian. From scientific Latin Palaeoniscus, genus name + -oid.

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