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The early Cambrian tommotiid Kulparina rostrata from South Australia

Published online by Cambridge University Press:  09 May 2016

Christian B. Skovsted
Affiliation:
Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, Sweden 〈christian.skovsted@nrm.se〉 〈timothy.topper@nrm.se〉 〈cecilia.larsson@nrm.se〉
Glenn A. Brock
Affiliation:
Department of Biological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia 〈glenn.brock@mq.edu.au〉
Lars E. Holmer
Affiliation:
Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, SE-75236 Uppsala, Sweden 〈lars.holmer@pal.uu.se〉
Timothy P. Topper
Affiliation:
Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, Sweden 〈christian.skovsted@nrm.se〉 〈timothy.topper@nrm.se〉 〈cecilia.larsson@nrm.se〉 Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, SE-75236 Uppsala, Sweden 〈lars.holmer@pal.uu.se〉
Cecilia M. Larsson
Affiliation:
Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, Sweden 〈christian.skovsted@nrm.se〉 〈timothy.topper@nrm.se〉 〈cecilia.larsson@nrm.se〉 Department of Earth Sciences, Palaeobiology, Uppsala University, Villavägen 16, SE-75236 Uppsala, Sweden 〈lars.holmer@pal.uu.se〉

Abstract

The early Cambrian (Terreneuvian, Stage 2) tommotiid Kulparina rostrata Conway Morris and Bengtson in Bengtson et al., 1990 is revised. The pyramidal sclerites of K. rostrata are shown to be bilaterally symmetrical and homologues of the symmetrical S1 sclerites of Paterimitra pyramidalis Laurie, 1986. The scleritome of K. rostrata is also shown to include flattened asymmetrical sclerites that were originally described under the name Eccentrotheca guano Bengtson in Bengtson et al., 1990 and which correspond to the L-sclerites of Paterimitra. A modified tubular scleritome and a sessile filter-feeding mode of life is envisaged for Kulparina rostrata.

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Articles
Copyright
Copyright © 2016, The Paleontological Society 

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