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单词 Rudist
释义

Rudist

英语百科

Rudists

(重定向自Rudist)
Comparison of Volviceramus grandis and Durania maxima
Hippurites.
Arrecifes de rudistas: afloramiento con varios biostromos superpuestos del Turoniense.

Rudists are a group of box-, tube-, or ring-shaped marine heterodont bivalves that arose during the Late Jurassic and became so diverse during the Cretaceous that they were major reef-building organisms in the Tethys Ocean.

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