| 单词 | protoconchal |
| 释义 | > as lemmasˌprotoˈconchal ˌprotoˈconchal adj. ΚΠ 1890 Cent. Dict. Protoconchal, pertaining to the protoconch. 1959 Micropaleontology 4 386/1 The two protoconchal spires nearly symmetrical. 1984 Museo Regionale di Scienzi Naturali Bollettino 2 257 All generic assignments are reviewed and discussed on the basis of the protoconchal characters and of some significant shell features. < as lemmas |
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