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单词 curvicostate
释义

> as lemmas

curvicostate
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.
extracted from curvi-comb. form
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as lemmas
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更新时间:2024/12/25 3:33:48