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A new genus of cardioceratids (Ammonoidea) from the Upper Callovian-Lower Oxfordian of northern Siberia

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Abstract

A new genus, Anabariceras, and two new species, A. meledinae and A. aspectabile, are described from the Upper Callovian-Lower Oxfordian boundary beds from the Anabar River basin. Based on analysis of the ontogenetic development of major characters (suture, shell shape, and ornamentation), the affinity of this genus to the subfamily Quenstedtoceratinae is substantiated.

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Original Russian Text © L.R. Stolyarova, 2007, published in Paleontologicheskii Zhurnal, 2007, No. 3, pp. 10–15.

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Stolyarova, L.R. A new genus of cardioceratids (Ammonoidea) from the Upper Callovian-Lower Oxfordian of northern Siberia. Paleontol. J. 41, 241–247 (2007). https://doi.org/10.1134/S0031030107030021

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  • DOI: https://doi.org/10.1134/S0031030107030021

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