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...
Published in: | Journal of Paleontology |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Cambridge University Press (CUP)
1988
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Online Access: | http://dx.doi.org/10.1017/s0022336000029851 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022336000029851 |