First report on late Miocene (Tortonian: ~ 11–10 Ma) charophyte gyrogonites from Tapar, Kachchh District, Gujarat State, western India

Autor: Singh, Nongmaithem Amardas, Singh, Ningthoujam Premjit, Sharma, K. Milankumar, Patnaik, Rajeev, Tiwari, R. P., Sehgal, Ramesh Kumar, Kumar, Vinay, Wazir, Wasim Abass, Singh, Y. Priyananda, Choudhary, Deepak
Zdroj: Proceedings of the Indian National Science Academy; 20220101, Issue: Preprints p1-17, 17p
Abstrakt: This paper describes the first record of charophyte gyrogonites from the late Miocene (Tortonian; ~ 11–10 Ma) Tapar locality of Kachchh, Gujarat State, western India. The recovered charophyte assemblage is constituted by Chara globularisvar. aspera, C. globularisvar. globularis, Lychnothamnuscf. sahnii, Lychnothamnussp. and Nitellopsissp.In addition, the present article discusses the palaeoenvironment based on the recorded charophyte gyrogonites (this study) and previously known faunal data (mainly vertebrates) from the Tapar locality, Kutch Basin, western India. Further, considering the significant extension of the biostratigraphic range [especially the First Appearance Datum (FAD)] of fauna from the Kutch Basin (in particular from the Tapar locality), we herein make an attempt to compare biostratigraphically the faunal assemblages from Kutch with those from the Siwalik Group, north India.
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