Early Paleozoic Hyolitha from North America: reexamination of Walcott's and Resser's type specimens

Concepts of the family Hyolithidae Nicholson fide Fisher and the genera Hyolithes Eichwald and Orthotheca Novak have been expanded through time to encompass a variety of morphologically dissimilar shells. The Hyolithidae is here considered to include only those hyolithid species which have a rounded...

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Bibliographic Details
Published in:Journal of Paleontology
Main Author: Malinky, John Mark
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1988
Subjects:
Online Access:http://dx.doi.org/10.1017/s0022336000029851
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022336000029851