Early Ordovician orthide brachiopods from Mount Arrowsmith, northwestern New South Wales, Australia

Abstract
Presents a study which described late Early Ordovician orthide brachiopods from the Tabita and Pingbilly formation at Mount Arrowsmith, northwestern New South Wales. Locality, stratigraphy and age of Mount Arrowsmith; Analysis of systematic paleontology; Description of Alocorthis psygmatelos.10 page(s