Palaeobiogeographic implications of Middle Permian brachiopods from Johore (Peninsular Malaysia)

Masatoshi Sone, Ian Metcalfe, Mohd. Shafeea Leman

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A new Middle Permian locality in northern Johore, Peninsular Malaysia, yields a small-sized, but compositionally unique, brachiopod fauna consisting of eight species: Pseudoleptodus sp., Caricula cf. salebrosa Grant, Neochonetes (Nongtaia) aff. arabicus (Hudson & Sudbury), Karavankina sp., Transennatia cf. insculpta (Grant), Hustedia sp., Orthothetina sp., and martiniid indet. The first four genera are new records for Malaysia; in particular, the rare taxa Pseudoleptodus and Caricula characterize the fauna. The brachiopods occur together with the ammonoid Agathiceras sp., the nautiloid Foordiceras? sp., bivalves, and crinoid stems. The locality belongs to the East Malaya terrane of the Cathaysian biotic region, but some affinities to species of the Sibumasu province are recognized. The Malaysian forms of Pseudoleptodus, Caricula and Transennatia are similar to those of the Ratburi Limestone (southern Thailand). A Roadian-early Wordian age is interpreted for the Johore fauna. The similarity of brachiopods reported here with those from the Ratburi Limestone suggests that there was species interchange or one-way migration between shallow waters of East Malaya and Sibumasu across the main Palaeo-Tethys. The Tethyan seaway between the two terranes must have been narrower than previously interpreted by some authors to allow such faunal traffic during the Roadian-Wordian time period.

Original languageEnglish
Pages (from-to)523-538
Number of pages16
JournalGeological Magazine
Volume140
Issue number5
DOIs
Publication statusPublished - Sep 2003

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brachiopod
Permian
fauna
terrane
limestone
Tethys
new record
bivalve
shallow water
stem

Keywords

  • Brachiopods
  • Malaysia
  • Paleobiogeography
  • Permian

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Palaeobiogeographic implications of Middle Permian brachiopods from Johore (Peninsular Malaysia). / Sone, Masatoshi; Metcalfe, Ian; Leman, Mohd. Shafeea.

In: Geological Magazine, Vol. 140, No. 5, 09.2003, p. 523-538.

Research output: Contribution to journalArticle

Sone, Masatoshi ; Metcalfe, Ian ; Leman, Mohd. Shafeea. / Palaeobiogeographic implications of Middle Permian brachiopods from Johore (Peninsular Malaysia). In: Geological Magazine. 2003 ; Vol. 140, No. 5. pp. 523-538.
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