A new genus of brissid echinoid from the Miocene of Australia

McNamara, K. J. and Yee, C. A. (1989) A new genus of brissid echinoid from the Miocene of Australia. Geological Magazine, 126 (2). pp. 177-186.

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Abstract

The brissid echinoid Amoraster (gen. nov.) is described from Miocene strata in southern Australia on the basis of two species: A. paucituberculata sp. nov., which ranges from the Batesfordian (latest Early Miocene) Bochara Limestone to the Bairnsdalian–Mitchellian (Middle–Late Miocene) Port Campbell Limestone in Victoria; and A. tuberculata sp. nov. from the Longfordian (Early Miocene) Mannum Formation in South Australia. Morphological changes which occurred with the evolution of A. paucituberculata from A. tuberculata are interpreted as being adaptations to the occupation of a finer grained sediment by the descendant species

Item Type: Article
Uncontrolled Keywords: AREP Nil
Subjects: 04 - Palaeobiology
Divisions: 04 - Palaeobiology
Journal or Publication Title: Geological Magazine
Volume: 126
Page Range: pp. 177-186
Depositing User: Sarah Humbert
Date Deposited: 28 Mar 2013 15:10
Last Modified: 23 Jul 2013 10:05
URI: http://eprints.esc.cam.ac.uk/id/eprint/2728

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