Early Ordovician orthide brachiopods from southern Tasmania

John R. Laurie

doi:10.1080/03115518008558976

Early Ordovician orthide brachiopods from southern Tasmania

John R. Laurie

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

Five new and one previously named species of orthide brachiopods are described from the Early Ordovician Florentine Valley Formation and Karmberg Limestone in the Florentine Valley, 70 km west of Hobart, Tasmania. The forms described are Apheoorthis humboldtensis sp. nov., Nanorthis carinata sp. nov., Archaeorthis subcarinata sp. nov., Tritoechia lewisi Brown, T. florentinensis sp. nov., and T. karmbergensis sp. nov. Evidence from isolated graptolite and conodont faunas and from the morphological affinities of the brachiopods themselves indicates that the Florentine Valley Formation extends from the Tremadoc to the early Arenig.

Original language	English
Pages (from-to)	11-23
Number of pages	13
Journal	Alcheringa
Volume	4
Issue number	1
DOIs	https://doi.org/10.1080/03115518008558976
Publication status	Published - 1980
Externally published	Yes

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AB - Five new and one previously named species of orthide brachiopods are described from the Early Ordovician Florentine Valley Formation and Karmberg Limestone in the Florentine Valley, 70 km west of Hobart, Tasmania. The forms described are Apheoorthis humboldtensis sp. nov., Nanorthis carinata sp. nov., Archaeorthis subcarinata sp. nov., Tritoechia lewisi Brown, T. florentinensis sp. nov., and T. karmbergensis sp. nov. Evidence from isolated graptolite and conodont faunas and from the morphological affinities of the brachiopods themselves indicates that the Florentine Valley Formation extends from the Tremadoc to the early Arenig.

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Early Ordovician orthide brachiopods from southern Tasmania

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