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Cochliodonts and chimaeroids: Arthur Smith Woodward and the holocephalians

By
Christopher J. Duffin
Christopher J. Duffin
1
Department of Earth Science, Scientific Associate, The Natural History Museum, Cromwell Road, London SW7 5BD, UK
2
146 Church Hill Road, Sutton, Surrey SM3 8NF, UK
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Published:
January 01, 2016

Abstract

Fossil chondrichthyan teeth played an important part in the establishment of a scientific understanding of ‘formed stones’. Following a slowly emerging taxonomy, Louis Agassiz presented the first comprehensive guide to Palaeozoic chondrichthyans in the 1830s. The next contribution of any substance was Arthur Smith Woodward’s Catalogue of Fossil Fishes in the British Museum (Natural History) with a historical, descriptive and systematic review of the chondrichthyans, a group on which he already had an impressively large publication record. Initially stimulated by his observations on an articulated petalodont dentition (Climaxodus), Smith Woodward erected the Bradyodonti in 1921. Defined on the possession of dentitions with very slow growth rates, only seven or eight successional teeth produced throughout the lifetime of the fish, and retention rather than shedding of earlier teeth, primarily by fusion to later ones, the bradyodonts embraced petalodonts, psammodonts, copodonts and cochliodonts. The establishment and subsequent demise of the bradyodonts is briefly reviewed here.

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Contents

Geological Society, London, Special Publications

Arthur Smith Woodward: His Life and Influence on Modern Vertebrate Palaeontology

Z. Johanson
Z. Johanson
Natural History Museum, UK
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P. M. Barrett
P. M. Barrett
Natural History Museum, UK
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M. Richter
M. Richter
Natural History Museum, UK
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M. Smith
M. Smith
Natural History Museum, UK
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Geological Society of London
Volume
430
ISBN electronic:
9781862399624
Publication date:
January 01, 2016

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