Late Silurian – Early Devonian marine ostracods from Kuan Tung Formation, Satun Province, southern Thailand

IF 0.7 Q4 PALEONTOLOGY

REVUE DE MICROPALEONTOLOGIE Pub Date : 2024-09-10 DOI:10.1016/j.revmic.2024.100817

Anucha Promduang, Anisong Chitnarin

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Abstract

Late Silurian to Early Devonian ostracods are reported for the first time from the Kuan Tung Formation (Sibumasu terrane) in southern Thailand. The studied limestone samples yielded abundant ostracods belonging to five suborders, six superfamilies, 17 genera, and 34 species, including the newly described Ampuloides thungsamedensis nov. sp. Other species are members of Ampuloides, Microcheilinella, Bairdiocypris, Baschkirina?, Rectella?, Pseudorayella, Acratia, Bairdia, Fabalicypris, Cytherellina, Healdia, Kummerowia?, Aparchites, Brevidorsa, Samarella, Coelonella, Knoxiella? with a few specimens of Eridoconchidae. Overall, the composition of ostracod assemblages is stable from the lower to middle subunits of the study section and points to shallow water environment on a carbonate deep shelf below the fair-weather wave base. The fauna shows relationships with Early to Late Devonian ostracods from South China, suggesting a narrow seaway between Sibumasu and South China terranes during Late Silurian to Early Devonian (late Ludlow to early Emsian).

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来源期刊

REVUE DE MICROPALEONTOLOGIE PALEONTOLOGY-

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： La Revue de micropaléontologie publie 4 fois par an des articles de intérêt international, consacrés à tous les aspects de la micropaléontologie. Les textes, en anglais ou en français, sont des articles originaux, des résultats de recherche, des synthèses et mises au point, des comptes rendus de réunions scientifiques et des analyses de ouvrages. La revue se veut résolument ouverte à tous les aspects de la micropaléontologie en accueillant des travaux traitant de la systématique des microfossiles (et de leurs équivalents actuels), des bactéries aux microrestes de vertébrés, et de toutes leurs applications en sciences biologiques et géologiques.