单词 | palaeoniscid |
释义 | palaeoniscidadj.n. Palaeontology. A. adj. Of, relating to, or characteristic of the family Palaeoniscidae of extinct palaeoniscoid fishes; (more widely) = palaeoniscoid adj. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [adjective] > belonging to family Palaeoniscidae palaeoniscid1881 1881 A. Geikie in Nature 3 Nov. 2/1 A genus of Palæoniscid fishes, possessing a fusiform body. 1883 H. Drummond in Life (1899) viii. 204 This is probably also a palaeoniscid scale. 1924 J. Kiaer Downtonian Fauna of Norway 108 This fin..is fashioned according to the same principle as the heterocercal fin in higher fishes, but in a reversed position. Traquair called it palaeoniscid in the case of the Scotch forms. 1988 Zool. Jrnl. Linn. Soc. 94 296 Palaeoniscid classifications are mainly based on the exoskeletal elements. B. n. A fish of the family Palaeoniscidae; (more widely) = palaeoniscoid n. ΘΚΠ the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [noun] > infraclass Neopterygii > member of family Palaeoniscoidei (fossil) palaeoniscid1883 palaeoniscoid1895 1883 R. H. Traquair in Trans. Royal Soc. Edinb. 30 36 The characteristic features of the above described beautiful Palæoniscid are so distinct..[etc.]. 1900 Nature 20 Sept. 507/1 Cheirolepis is a fully evolved palæoniscid, as shown by its oblique suspensorium. 1954 New Biol. 16 87 Less closely related [to the lungfishes] are the ‘Palaeoniscids’, a group first found in the middle Devonian times, that includes the ancestors of the sturgeons, Polypterus, ‘Ganoids’, and of all the ordinary bony fish. 1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) iii. 55 (in figure) Figure 28. A simplified family tree of the bony fishes... Paddlefish... Ancient palaeoniscids... Chondrostei. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < adj.n.1881 |
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