Smithsonian miscellaneous collections . V i. 1936 (Publication 3383) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION APRIL 1, 1936 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 95, NUMBER 4 SECOND CONTRIBUTION TO NOMENCLATURE OF CAMBRIAN TRILOBITES BY CHARLES ELMER RESSER Curator, Division of Invertebrate Paleontology, U. S. National Museum. (Publication 3383) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION APRIL 1, 1936 BALTIMOUE, MD., V. 8. A, SECOND CONTRIBUTION TONOMENCLATURE OF CAMBRIAN TRILOBITES By CHARLES ELMER RESSER Curator, Division of Invertebrate Paleontolog


Smithsonian miscellaneous collections . V i. 1936 (Publication 3383) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION APRIL 1, 1936 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 95, NUMBER 4 SECOND CONTRIBUTION TO NOMENCLATURE OF CAMBRIAN TRILOBITES BY CHARLES ELMER RESSER Curator, Division of Invertebrate Paleontology, U. S. National Museum. (Publication 3383) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION APRIL 1, 1936 BALTIMOUE, MD., V. 8. A, SECOND CONTRIBUTION TONOMENCLATURE OF CAMBRIAN TRILOBITES By CHARLES ELMER RESSER Curator, Division of Invertebrate Paleontology U. S. National Museum This is the second paper in a series deaHng with nomenclaturalchanges necessary for certain Cambrian species/ In this contributionseveral Atlantic Province genera and species are discussed. As in the previous paper, only published species are consideredbecause illustrations are not possible. Most of the text is arrangedin alphabetical order according to genera, exceptions being made in afew cases where several members of a family are kept together. ALBERTELLA Walcott, 1908 Four species were described by Walcott as belonging to Alhertella,viz, the genotype A. helena, and A. bosworthi, A. levis, and A. pa-cifica. The last named, which comes from Asia, is in reality an inde-terminate fragment and must await the finding of f


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