| 释义 |
trigonellite Palæont.|trɪgəˈnɛlaɪt|
[ad. mod.L. Trigōnellītēs (given as a generic name), f. mod.L. Trigōnella: see prec. and -ite1 2 a.]
A fossil of triangular form and shelly consistence, found in the Kimmeridge clay; ‘probably the operculum of a cephalopod’ (Lyell).
[1748J. Hill Hist. Fossils 646 That kind [of Cockle] call'd by authors Trigonella... This kind..approaches to a triangular figure. ]1831Murchison in Phillips Man. Geol. (1855) 301 Hard, compact, not oolitic, containing brachyphyllum, ferns, and trigonellites. 1851Woodward Mollusca i. 80 They were described in 1811, by Parkinson, who called them trigonellites. 1885Lyell Elem. Geol. xx. (1885) 295. |