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Sarsiellidae of the Western Atlantic and Northern Gulf of Mexico, and Revision of the Sarsiellinae (Ostracoda: Myodocopina)

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Sarsiellidae of the Western Atlantic and Northern Gulf of Mexico, and Revision of the Sarsiellinae (Ostracoda: Myodocopina) Sarsiellidae of the Western Atlantic and Northern Gulf of Mexico, and Revision of the Sarsiellinae (Ostracoda: Myodocopina) LOUIS S. KORNICKER m SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY • NUMBER 415 SERIES PUBLICATIONS OF THE SMITHSONIAN INSTITUTION Emphasis upon publication as a means of "diffusing knowledge" was expressed by the first Secretary of the Smithsonian. In his formal plan for the Institution, Joseph Henry outlined a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge." This theme of basic research has been adhered to through the years by thousands of titles issued in series publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Contributions to Anthropology Smithsonian Contributions to Astrophysics Smithsonian Contributions to Botany Smithsonian Contributions to the Earth Sciences Smithsonian Contributions to the Marine Sciences Smithsonian Contributions to Paleobiology Smithsonian Contributions to Zoology Smithsonian Folklife Studies Smithsonian Studies in Air and Space Smithsonian Studies in History and Technology In these series, the Institution publishes small papers and full-scale monographs that report the research and collections of its various museums and bureaux or of professional colleagues in the world of science and scholarship. The publications are distributed by mailing lists to libraries, universities, and similar institutions throughout the world. Papers or monographs submitted for series publication are received by the Smithsonian Institution Press, subject to its own review for format and style, only through departments of the various Smithsonian museums or bureaux, where the manuscripts are given substantive review. Press requirements for manuscript and art preparation are outlined on the inside back cover. Robert McC. Adams Secretary Smithsonian Institution SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY • NUMBER 415 Sarsiellidae of the Western Atlantic and Northern Gulf of Mexico, and Revision of the Sarsiellinae (Ostracoda: Myodocopina) Louis S. Kornicker SMITHSONIAN INSTITUTION PRESS City of Washington 1986 ABSTRACT Kornicker, Louis S. Sarsiellidae of the Western Atlantic and Northern Gulf of Mexico, and Revision of the Sarsiellinae (Ostracoda: Myodocopina). Smith- sonian Contributions to Zoology, number 415,217 pages, 113 figures, 34 plates, 7 tables, 1986.—The subfamily Sarsiellinae is revised by emending 4 genera and proposing a new name for one of them. The distribution of Sarsiellidae on the continental shelves of eastern North America, the northern Gulf of Mexico, the Caribbean Sea, and Bermuda is discussed. The revised Sarsielli- dae is comprised of 2 subfamilies: Dantyinae (2 genera) and Sarsiellinae (12 genera). In the study area, the Dantyinae are represented by the genus Dantya with 2 species (1 new), and the Sarsiellinae are represented by the genera Chelicopia with 1 species, Eurypylus with 1 species, Parasarsiella with 1 species, and Eusarsiella with 37 species (13 new and 3 left in open nomenclature). Collections in the study area are mainly from the continental shelves of eastern North America and the northern Gulf of Mexico. The new species as well as some previously known species are described and illustrated, and keys are presented for species in the study area as well as for taxa of higher rank. The number of eggs per clutch in the Sarsiellidae is shown to be, in part, a function of carapace length. Using Hennigian principles it is derived that the superfamilies in the Myodocopina are comprised of the following families: Cypridinacea Cypridinidae Cylindroleberidacea Cylindroleberididae Sarsiellacea Philomedidae Rutidermatidae Sarsiellidae OFFICIAL PUBLICATION DATE is handstamped in a limited number of initial copies and is recorded in the Institution's annual report, Smithsonian Year, SERIES COVER DESIGN: The coral Montastrea cavernosa (Linnaeus). Library of Congress Cataloging in Publication Data Kornicker, Louis S., 1919— Sarsiellidae of the western Atlantic and northern Gulf of Mexico and revision of the Sarsiellinae (Ostracoda: Myodocopina). (Smithsonian contributions to zoology ; no. 415) Bibliography: p. Supt. of Docs, no.: SI 1.27:415 1. Sarsiellidae—Classification. 2. Crustacea—Atlantic Coast (North America)—Classification. 3. Crustacea—Mexico, Gulf of—Classification. 4. Crustacea—Caribbean Sea—Classifica- tion. I. Title. II. Title: Sarsiellinae (Ostracoda: Myodocopina) III. Series. QL1.S54 no. 415 [QL444.O8] 591s [595.3'3] 85-600238 Contents Page Introduction 1 Abbreviations 1 Disposition of Specimens 1 Acknowledgments 1 Station Data with Specimens Examined 2 Distribution 14 SARSIELLIDAE Brady and Norman, 1896 20 Key to the Subfamilies of the Sarsiellidae 20 DANTYINAE Kornicker and Cohen, 1978 20 Dantya Kornicker and Cohen, 1978 20 Key to Species of Dantya 21 Dantya magnifica Kornicker and Cohen, 1978 21 Dantya heardi, new species 22 SARSIELLINAE Brady and Norman, 1896 26 Key to Genera of Sarsiellinae 27 Sarsiella Norman, 1869, emended 27 Chelicopia Kornicker, 1958 28 Chelicopia arostrata Kornicker, 1958 29 Eurypylus Brady, 1869 33 Key to Species of Eurypylus 33 Eurypylus rousei (Darby, 1965), new combination 34 Parasarsiella Poulsen, 1965 38 Parasarsiella globulus (Brady, 1887) 39 Cymbicopia Kornicker, 1975, emended 40 Key to the Species of Cymbicopia 40 Neomuelleriella, new name and emended 40 Key to the Species of Neomuelleriella 41 Eusarsiella Cohen and Kornicker, 1975, emended 41 Key to the Species of Eusarsiella 44 Eusarsiella zostericola (Cushman, 1906) 47 Eusarsiella punctata (Kornicker, 1958) 48 Eusarsiella truncana (Kornicker, 1958) 49 Eusarsiella "carinata" (Kornicker, 1958) 49 Eusarsiella alata Poulsen, 1965 51 Eusarsiella cornuta Poulsen, 1965 51 Eusarsiella ovalis Poulsen, 1965 52 Eusarsiella dentifera Poulsen, 1965 52 Eusarsiella spicata Poulsen, 1965 53 Eusarsiella absens (Kornicker, 1981), new combination 54 Eusarsiella capillaris (Kornicker, 1958) 54 iii iv SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY Eusarsiella paniculata, new species 58 Eusarsiella costata (Kornicker, 1958) 61 Eusarsiella gigacantha (Kornicker, 1958) 67 Eusarsiella spinosa (Kornicker and Wise, 1962), new combina- tion 70 Eusarsiella texana (Kornicker and Wise, 1962), new combina- tion 76 Eusarsiella greyi (Darby, 1965), new combination 85 Eusarsiella disparalis (Darby, 1965), new combination 88 Eusarsiella nodimarginis (Darby, 1965), new combination 97 Eusarsiella pilipollicis (Darby, 1965), new combination 101 Eusarsiella radiicosta (Darby, 1965), new combination 104 Eusarsiella ozotothrix (Kornicker and Bowen, 1976), new com- bination 115 Eusarsiella dispar, new species 120 Eusarsiella tubipora (Darby, 1965), new combination 123 Eusarsiella gettlesoni, new species 127 Eusarsiella uncus, new species 132 Eusarsiella childi, new species 136 Eusarsiella cresseyi, new species 139 Eusarsiella elofsoni, new species 147 Eusarsiella bakeri, new species 150 Eusarsiella vema, new species 154 Eusarsiella dominicana, new species 158 Eusarsiella venezuelensis, new species 161 Eusarsiella athrix, new species 164 Eusarsiella culteri, new species 168 Eusarsiella species B 171 Eusarsiella species C 172 Reproduction 174 Familial Relationships 176 Literature Cited 179 Plates 1-34 183 Sarsiellidae of the Western Atlantic and Northern Gulf of Mexico, and Revision of the Sarsiellinae (Ostracoda: Myodocopina) Louis S. Kornicker Introduction pina using the phylogenetic principles proposed by Hennig (1966), certain aspects of reproduc- This work treats the Sarsiellidae living in Ber- tion in the Myodocopina are discussed, and data muda, the Bahamas, the Virgin Islands, and on are presented showing that the number of eggs the continental shelves along the east coast of per clutch in the Sarsiellidae is, in part, a function North America and the northern Gulf of Mexico. of carapace size. Descriptions of two new species, one from the ABBREVIATIONS.—Specimens with numbers Dominican Republic and one from the vicinity preceded by UMMP are those in the University of Venezuela are also included. A primary objec- of Michigan Museum of Paleontology; those pre- tive was to present supplementary descriptions ceded by USNM are those in the National Mu- of species described from the Bahamas by Kor- seum of Natural History. nicker (1958) and from off Georgia by Darby DISPOSITION OF SPECIMENS.—Most of the spec- (1965). Lack of material prevented this for some imens have been deposited at the National Mu- of the species, mainly for Eusarsiella punctata, E. seum of Natural History, Smithsonian Institu- truncana, and E. "carinata" from the Bahamas. tion, and many of these have been assigned Diagnoses and illustrations are given of species USNM numbers. The disposition of other spec- from the Virgin Islands previously described by imens is given in the text in the section where Poulsen (1965) and of a single species from Ber- the species is described or the "Station Data with muda previously described by Kornicker Specimens Collected." The specimens in the (1981a:2). Fourteen new species are described "Material Examined" sections are listed in the and illustrated, 4 genera of Sarsiellinae are same order as in the station data. emended, and a new name is proposed for one ACKNOWLEDGMENTS.—Credits are given in of them. "Station Data with Specimens Collected" to
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