Tubicolous enteropneusts from the Cambrian period

Jean-Bernard Caron (), Simon Conway Morris and Christopher B. Cameron
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Jean-Bernard Caron: Royal Ontario Museum, 100 Queen’s Park, Toronto, Ontario M5S 2C6, Canada
Simon Conway Morris: University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK
Christopher B. Cameron: Université de Montréal, Pavillon Marie-Victorin, Montréal QC H2V 2S9, Canada

Nature, 2013, vol. 495, issue 7442, 503-506

Abstract: Examination of a fossil enteropneust, Spartobranchus tenuis (Walcott, 1911), from the Cambrian-period Burgess Shale shows that they looked similar to modern enteropneusts but lived in tubes, like modern pterobranchs; the findings shed light on the common ancestor of enteropneusts and pterobranchs, and hence the origin of chordates.

Date: 2013
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DOI: 10.1038/nature12017

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