a fossil serpula; also, a formation containing these; attributive serpulite-grit.
单词 | θ4944 |
释义 | the world > the earth > structure of the earth > structural features > formations by contents > [noun] > containing fossils (7) serpulite1828 a fossil serpula; also, a formation containing these; attributive serpulite-grit. ungulite grit1850 A Palæozoic brachiopod, the obolus. ungulite grit n. see obolite, n. Subcategories:— zone (1) — shell impression (1) — heap of shells (1) — deposit of bones (2) |
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