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单词 Turrilites
释义

Turrilites /tə:'rilites/

英汉-汉英词典
塔菊石属
词组 | 习惯用语
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  • scurrility n. 粗俗下流 辱骂的言语
Turrilites n. 塔菊石;塔菊石属
英语百科

Turrilites

Turrilites is a helically coiled ammonoid cephalopod from the lower part of the Upper Cretaceous (Cenomanian and Turonian); generally included in the Ancyloceratina. Previously (Arkell, 1957) it was included in the ammonoid suborder, Lytoceratina.

The shell of Turrilites is tightly wound in a high trochospiral, with an acute angle at the apex. Ribs are weak to strong and may have 3 or 4 rows of equal numbers of tubercles. Thought to be derived from Mariella. Includes three subgenera.

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更新时间:2025/8/4 16:38:07