单词 | rhinobatid |
释义 | rhinobatidn. Zoology. A ray of the family Rhinobatidae, having an elongated body which is intermediate in form between a ray and a shark; a guitarfish. ΘΚΠ the world > animals > fish > subclass Elasmobranchii > order Hypotremata > [noun] > member of family Rhinobatidae (guitar-fish) shark-ray1836 rhinobatid1859 sand-shark1882 guitar-fish1905 1859–62 J. Richardson et al. Museum Nat. Hist. II. 167/1 Rhinobatids (Rhinobatidæ). The ventrals in this group are close behind the pectorals, which pass imperceptibly into the snout. 1897 Amer. Jrnl. Sci. 153 89 Of existing families, the Rhinobatids and Myliobatids are generally believed to represent the most nearly ancestral form of ray. 1933 Trans. Amer. Philos. Soc. 23 102 In the rhinobatids the individual teeth are still distinct but the crowns are flattened. 1978 Jrnl. Parasitol. 64 1130/2 Leatherjackets and rhinobatid fishes can be found together in the natural environment. 2002 Copeia No. 3. 878/2 Freshwater incursions made by some elasmobranchs (e.g., carcharhinids, pristids, rhinobatids, and dasyatids). This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1859 |
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