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Elkanah Billings' Lower Cambrian Trilobites and Associated Species
Charles E. Resser and Elkanah Billings
Journal of Paleontology
Vol. 11, No. 1 (Jan., 1937), pp. 43-54
Published by: SEPM Society for Sedimentary Geology
Stable URL: http://www.jstor.org/stable/1298310
Page Count: 13
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Confusion has resulted from misidentification of Billings' Lower Cambrian trilobite species from Labrador and Vermont. A restudy of the type specimens and of specimens referred to the species by Walcott leads to considerable revision of the nomenclature. Twenty-five species are dealt with; 11 species are more sharply defined, and 2 new genera and 14 new species are instituted. Photographic illustrations of many of the forms are provided for the first time.
Journal of Paleontology © 1937 SEPM Society for Sedimentary Geology