The Late Bathonian gastropod fauna of Kutch, western India-a new assemblage

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概要

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• The Middle Jurassic sediments of Kutch have been known all over the world as a veritable storehouse of diverse fauna, particularly ammonites. The present investigation has brought to light a rich haul of gastropods hitherto unknown in Kutch. The present assemblage includes eleven new species belonging to nine genera. They are : Colpomphalus jumarense sp. nov.; Emarginula karuna sp. nov.; Helicacanthus chanda sp. nov.; Riselloidea tagorei sp. nov.; R. elongata sp. nov.; Onkospira kutchensis sp. nov.; Proconulus jadavpuriensis sp. nov.; Neritopsis (Neritopsis) patchamensis sp. nov.; N. (Hayamiella) sankhamala sp. nov.; Hayamia mitra sp. nov. and Globularia spathi sp. nov. The assemblage shows strong Tethyan affinity at generic level, but species display marked endemism since Kutch belongs to a distinct Indo-Madagascan Faunal Province. The present finding refines and widens the spatiotemporal distribution of these genera.

• 日本古生物学会の論文
• 1999-12-30

著者

• Das Shiladri

  Indian Statistical Institute Geological Studies Unit

• Bardhan Subhendu

  Department Of Geological Sciences Jadavpur University

• LAHIRI TAPES

  Palaeontology Division 1, Geological Survey of India

• Lahiri Tapes

  Palaeontology Division 1 Geological Survey Of India

関連論文

• A new pleurotomariid gastropod assemblage from the Jurassic sequence of Kutch, western India
• Kheraiceras Spath (Ammonoidea)-new forms and records from the Middle Jurassic sequence of the Indian Subcontinent
• The terebratulid Kutchithyris (Brachiopoda) from the Jurassic sequence of Kutch,western India-revisited
• The Late Bathonian gastropod fauna of Kutch, western India-a new assemblage
• The terebratulid Kutchithyris (Brachiopoda) from the Jurassic sequence of Kutch, western India-revisited

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