单词 | curvicostate |
释义 | > as lemmascurvicostate curvicostate n. Brit. /ˌkəːvᵻˈkɒsteɪt/ , U.S. /ˌkərvəˈkɑˌsteɪt/ [after scientific Latin curvicostatus (1833 as specific name)] now rare having curved ribs.ΚΠ 1855 J. Ogilvie Suppl. Imperial Dict. Curvicostate, a [L. curvus, and costa.] Marked with small bent ribs. 1903 V. Uhlig Fauna Spiti Shales in Palæontologia Indica: Himalayan Fossils (Mem. Geol. Surv. India) 4 288 P. propinquus shares with the curvicostate types..the subcircular shape of the cross-section; but the ribs of the latter are strongly curved backwards. 1932 L. F. Spath Invertebr. Faunas of Bathonian-Callovian Deposits of Jameson Land 13 It is only necessary to squeeze a strip of plasticine all round the whorl of a form like Macrocephalites macrocephalus (..cited by Buckman as an example of very straight ribbing), to compare the impression with that of a more ‘curvicostate’ species. < as lemmas |
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