Abstract
Fourteen species of lingulate brachiopods are documented from allochthonous limestone blocks of the Murrawong Creek Formation in the southern New England Fold Belt, northeastern New South Wales, Australia. The fauna includes Treptotreta jucunda Henderson and MacKinnon 1981, Treptotreta sp. cf. T. sp. nov. Henderson 1992, Amictocracens teres Henderson and MacKinnon 1981, Stilpnotreta magna Henderson and MacKinnon 1981, Anabolotreta tegula Rowell and Henderson 1978, Neotreta orbiculata Koneva 1990, Linnarssonia sp., Linnarssonia sp. cf. L. ophirensis (Walcott 1912), Pegmatreta clavigera sp. nov., Acrothele subsidua (White 1874), Micromitra sp. cf. M. modesta (Lochman 1940), Micromitra sp. Henderson 1992, Lingulella sp. A Henderson 1992, and Kyrshabaktella certa Koneva 1986. The associated trilobite assemblages indicate a medial Middle Cambrian age for the blocks, and the stratigraphic ranges of several of the lingulate species have been extended. The fauna displays biogeographic links at the specific level with northeastern and southeastern Australia, New Zealand, Antarctica, North America, Kazakhstan, Siberia, and Britain; the strongest links (four species in common) are with the Georgina Basin in northeastern Australia and the Tasman Formation in New Zealand.
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