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单词 ostariophysan
释义

ostariophysann.adj.

Brit. /ɒˌstɛːrɪə(ʊ)ˈfʌɪs(ə)n/, U.S. /ɑˌstɛriəˈfaɪs(ə)n/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Ostariophysi , -an suffix.
Etymology: < scientific Latin Ostariophysi, superorder name ( < German Ostariophysen (M. Sagemehl 1885, in Morphol. Jahrb. 10 22) < Hellenistic Greek ὀστάριον small bone ( < the stem of ancient Greek ὀστέον bone (see osteo- comb. form) + -άριον , extended form of -ιον , diminutive suffix) + ancient Greek ϕῦσα pair of bellows, in Hellenistic Greek also bladder: see physa n.) + -an suffix.
Ichthyology.
A. n.
A fish of the superorder Ostariophysi which includes the majority of freshwater fishes, and is characterized by the presence of the Weberian apparatus (connecting the air bladder with the inner ear).
ΚΠ
1904 Science 2 Dec. 762/1 One of the most remarkable facts in paleontology is the abruptness of the appearance of many families of fishes and especially of the fresh-water families of the great group of ostariophysans.
1974 Nature 22 Nov. 333/3 These methods are used for..the clupeomorphs, the elopomorphs, the ostariophysans and the higher eutelecosts.
1997 G. S. Helfman et al. Diversity of Fishes xiv. 231/1 The most advanced ostariophysans are the gymnotiforms, which show internal anatomic similarities to the siluriforms and probably share a common ancestor.
B. adj.
Of, relating to, or designating (fishes of) the superorder Ostariophysi.
ΚΠ
1948 Q. Rev. Biol. 23 116/1 Eleven ostariophysan families have entered Central America from the south.
1961 E. S. Herald Living Fishes of World 110/2 Ostariophysan fishes are found on all continents of the world with the exception of Australia and Antarctica.
1996 Visual Neurosci. 13 517 Similar cells were previously observed not only in the freshwater cichlid Oreochromis spilurus (Perciformes) but also in the goldfish..which, being an ostariophysan teleost, is only distantly related.
This is a new entry (OED Third Edition, September 2004; most recently modified version published online March 2022).
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n.adj.1904
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