Description of a new species of Aporrhais from the Upper Eocene of Western Siberia

Description of a new species of Aporrhais from the Upper Eocene of Western Siberia

Material from the Upper Eocene Tavda Formation of Western Siberia contains a new species, Aporrhais siberica sp. nov. It has been misidentified as A. cornuta Korobkov, 1949, an aporrhaid originally described from the Upper Eocene / Lower Oligocene of the Turan Sea. The main difference between A. sib...

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Veröffentlicht in:Zitteliana 2024-12, Vol.98 (5), p.11-18
Hauptverfasser: Wieneke, Ulrich, Smirnov, Pavel V, Maslennikov, Anton, Trubin, Yaroslav S
Format: Artikel
Sprache:eng
Schlagworte:
Aporrhais
Eocene
Fossils
Museums
New species
Oligocene
Stratigraphy
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Zusammenfassung:Material from the Upper Eocene Tavda Formation of Western Siberia contains a new species, Aporrhais siberica sp. nov. It has been misidentified as A. cornuta Korobkov, 1949, an aporrhaid originally described from the Upper Eocene / Lower Oligocene of the Turan Sea. The main difference between A. siberica and A. cornuta is the missing spire-adnate digitation of A. siberica. Publications referencing both morphologies are analyzed, and revised synonymies are presented. Keywords: Aporrhaidae , Paleogene, Siberia, Tavda Formation, Taxonomy
ISSN:2512-5338
2747-8106
DOI:10.3897/zitteliana.98.129065