Brachiopoda from the Late Permian Senja Formation, Manang area, Nepal Himalaya

B. Waterhouse, Zhong Chen

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    Late Permian brachiopods are described from the Senja Formation of the Manang District, north-central Nepal, and compared with faunas from south Tibet and other parts of the Himalaya. The age is deemed to be Late Permian Changhsingian Stage, on the basis of stratigraphic position above faunas correlated with late Wuchiapingian conodont-bearing faunal assemblages in the Chhidru Formation of the Salt Range, Pakistan, and below faunas containing very late Permian conodonts in Manang and south Tibet. Brachiopod species described as new are Waagenoconcha wardlawi, Saeptathaerus latus, Coolkilella khangsarensis, Echinalosia perforata, Arctitreta intercalata, Pondospirifer crassiconcha, Ambikella undulosina and Maorielasma campbelli. Some new morphological terms are proposed for parts of the brachiopod anatomy. The term myoseptum, pleural myosepta, is proposed for low septa within the muscle field of some syringothyridoids, such as Syrella ARCHBOLD, 1996. We also propose the term myophoral plates for the cardinal flanges in Cleiothyridina and allies, because we believe these acted as a dorsal seat for diductor muscles. It is considered that the cardinal foramen found in the inner hinge plates allowed passage of either the ventral pedicle, or dorsal pedicular muscle
    Original languageEnglish
    Pages (from-to)1-69
    JournalPalaeontographica. Abt . A: Palaeozoologie - Stratigraphie
    Volume280
    Issue number1-3
    Publication statusPublished - 2007

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