Posidonomya (Bivalvia) from Northwest Peninsular Malaysia and its significance

Jasin Basir

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Posidonomya is common in the Kubang Pasu and Singa Formations in northwest Peninsular Malaysia. It was discovered from the red mudstone layers (redbeds) in many localities in Langkawi Islands, Perlis and Kedah. Previous studies suggested that the age of Posidonomya ranged from Middle Devonian to Carboniferous. Posidonomya beds in Kedah and Perlis are located above the Tournaisian radiolarian chert layers. The age of Posidonomya from Peninsular Malaysia is comparable to those of Europe, Morocco, Turkey and South China which range from Tournaisian to Serpukhovian, Early Carboniferous. The fossil specimens exhibit morphological features closely related to Posidonomya becheri Bronn. Two taxa were identified namely Posidonomya becheri Bronn and Posidonomya cf. kochi (von Koenen). The occurrence of Posidonomya indicates that the age of the lower part of the Kubang Pasu and Singa Formations is Early Carboniferous. Its geographic distribution formed a wide paleobiogeographic province in the Paleo-Tethys. The province was located in the warm tropical-subtropical climatic zone. Therefore, Posidonomya can be a good indicator for warm climate. Its wide distribution and short stratigraphic range make it a good index fossil for the Early Carboniferous.

    Original languageEnglish
    Pages (from-to)217-223
    Number of pages7
    JournalSains Malaysiana
    Volume44
    Issue number2
    Publication statusPublished - 1 Feb 2015

    Fingerprint

    Tournaisian
    fossil
    Serpukhovian
    chert
    Tethys
    mudstone
    climate
    distribution
    province
    indicator
    Europe
    index
    climatic zone

    Keywords

    • Early carboniferous
    • Paleobiogeography
    • Posidonomya
    • Redbeds
    • Stratigraphy

    ASJC Scopus subject areas

    • General

    Cite this

    Posidonomya (Bivalvia) from Northwest Peninsular Malaysia and its significance. / Basir, Jasin.

    In: Sains Malaysiana, Vol. 44, No. 2, 01.02.2015, p. 217-223.

    Research output: Contribution to journalArticle

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