Camilleri, T. T. A.; Weldon, E. A.; Warne, M. T. (2023). Early Devonian Ostracoda from the Norton Gully Sandstone, southeastern Australia. Alcheringa: An Australasian Journal of Palaeontology. 47(3): 292-304.

484946

10.1080/03115518.2023.2223658 [view]

Camilleri, T. T. A.; Weldon, E. A.; Warne, M. T.

2023

47(3): 292-304

Publication

Available for editors   [request]

The Lower Devonian (Emsian) Norton Gully Sandstone contains rich invertebrate fossil faunas including ostracods. Seven ostracod taxa are recognized and illustrated herein: Bungonibeyrichia copelandi, Bungonibeyrichia wooriyallockensis, Bungonibeyrichia treslata sp. nov., Bungonibeyrichia australiae, Bairdiocypris sp., and two indeterminate genera. The ostracods are preserved in sand?stone and mudstone as natural moulds. There are two distinct biofacies identified within the Norton Gully Sandstone: one dominated by ornate ostracods belonging to Bungonibeyrichia; and the other by smooth species of Bairdiocypris. We also conclude that most southeast Australian spe?cies previously placed in Velibeyrichia are more appropriately placed in Bungonibeyrichia on the basis of lobe morphology. Consequently, both these genera can be recognized as having discrete Silurian-Devonian palaeobiogeographical distributions, with Velibeyrichia spp. occurring in the shal?low seas of Laurentia, while Bungonibeyrichia spp. was restricted to shallow seas around eastern Gondwana.

Australia

Paleontology, Fossils, Paleobiology

Ostracoda

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