CADOQUENSTEDTOCERAS – THE NEW MACROCONCH UPPER CALLOVIAN GENUS OF THE CARDIOCERATIDAE (AMMONOIDEA) FAMILY

Q4 Earth and Planetary Sciences

Geology and Mineral Resources of Siberia Pub Date : 2022-06-01 DOI:10.20403/2078-0575-2022-2-3-9

V. G. Knyazev, A. Alifirov

引用次数: 0

Abstract

The new macroconch genus of ammonites Cadoquenstedtoceras gen. nov. has been established from the Upper Callovian of Siberia. It is characterized by the quenstedtoceratoid stage at the middle whorles of the shell and cadoceratoid one at later stages of ontogenesis.

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巨螺-巨螺科(蛤总科)上胼胝体新属

在西伯利亚上加里维世建立了菊石大螺属Cadoquenstedtoceras gen. 11。它的特点是在壳的中间轮和在个体发生的后期为骨质状。

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