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The origins of graptolites and other pterobranchs: a journey from 'Polyzoa'

Abstract:

The graptolites, known only from fossils, have been convincingly allied to the pterobranch hemichordates, a group of tiny, mostly colonial marine invertebrates bearing feeding arms. The phylogenetic position of pterobranchs has been subject to debate and revision for over a century. Their colonial lifestyle and feeding arms were originally seen as evidence placing them among the bryozoans, until later and more careful anatomical studies revealed more characters in common with acorn worms. Pte...

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Publication status:
Published

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Authors


Rickards, B More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Zoology
Journal:
LETHAIA
Volume:
41
Issue:
4
Pages:
303-316
Publication date:
2008-12-05
DOI:
EISSN:
1502-3931
ISSN:
0024-1164
URN:
uuid:0d3e6c6b-14b1-4878-b8f0-2f520be37e38
Source identifiers:
204371
Local pid:
pubs:204371

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