New information about Echinochiton dufoei, the Ordovician spiny chiton*

John Pojeta Jr.; Jimmie DuFoe

doi:10.4003/0740-2783-25.1.25

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John Pojeta Jr.,¹ Jimmie DuFoe²

¹U.S. Geological Survey and Department of Paleobiology, Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, U.S.A., pojetaj@si.edu
²417 Grove Street, Rockton, Illinois 61072, U.S.A., jdufoe2001@yahoo.com

Abstract

Echinochiton dufoei Pojeta et al., 2003 is now known from seven specimens. The new material shows the anterior end and allows for a full reconstruction of the animal. The hollow spines are circumsomal; they were flexible and perhaps moveable in rotary anterior-posterior directions. Possible functions for the hollow spines are discussed. The relationships of E. dufoei to other chitons and to other molluscs and mollusc-like organisms are presented.

Citation Download Citation

John Pojeta Jr. and Jimmie DuFoe "New information about Echinochiton dufoei, the Ordovician spiny chiton," American Malacological Bulletin 25(1), 25-34, (1 July 2008). https://doi.org/10.4003/0740-2783-25.1.25

Received: 6 November 2006; Accepted: 1 August 2007; Published: 1 July 2008

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