| 释义 |
ungulite Palæont.|ˈʌŋgjʊlaɪt|
[f. L. ungul-a, ungula + -ite1.]
A Palæozoic brachiopod, the obolus. ungulite grit: see obolite.
1850Ansted Elem. Geol., Min., etc. §980 A sandstone, or grit, distinguished by a remarkable fossil (the Ungulite) unknown in Western Europe. Ibid. Index, Ungulite grit. 1859Murchison Siluria (ed. 3) xiv. 374 The little horny brachiopod, the Obolus or Ungulite, is so much more abundant than any other fossil, as to have induced Pander to give to the rock the name of Ungulite grit. |