caa a22 4500 386402264 CHVBK 20180307112204.0 cr unu---uuuuu 161130e198903 xx s 000 0 eng 10.1017/S0016756800006312 doi S0016756800006312 pii (NATIONALLICENCE)cambridge-10.1017/S0016756800006312 A new genus of brissid echinoid from the Miocene of Australia [Elektronische Daten] 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. Copyright © Cambridge University Press 1989 McNamara K. J. Department of Palaeontology, Western Australian Museum, Francis Street, Perth, Western Australia 6000, Australia Ah Yee C. 20 Bayley Street, Hamilton, Victoria 3300, Australia Geological Magazine Cambridge University Press 126/2(1989-03), 177-186 0016-7568 126:2<177 1989 126 GEO https://doi.org/10.1017/S0016756800006312 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S0016756800006312 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- McNamara K. J. Department of Palaeontology, Western Australian Museum, Francis Street, Perth, Western Australia 6000, Australia NATIONALLICENCE 700 1- Ah Yee C. 20 Bayley Street, Hamilton, Victoria 3300, Australia NATIONALLICENCE 773 0- Geological Magazine Cambridge University Press 126/2(1989-03), 177-186 0016-7568 126:2<177 1989 126 GEO CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge