Zootaxa 3899 (1): 001–069 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Monograph ZOOTAXA Copyright © 2014 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3899.1.1 http://zoobank.org/urn:lsid:zoobank.org:pub:D78F2010-08E1-45C0-86FF-7F2D3601070D ZOOTAXA 3899 On the Miocene Cyprideis species flock (Ostracoda; Crustacea) of Western Amazonia (Solimões Formation): Refining taxonomy on species level MARTIN GROSS1, MARIA INES F. RAMOS2 & WERNER E. PILLER3 1Department for Geology and Palaeontology, Universalmuseum Joanneum, Weinzöttlstrasse 16, 8045 Graz, Austria. E-mail: [email protected]; telephone: +43-316-8017-9733 2Coordenação de Ciências da Terra e Ecologia, Museu Paraense Emílio Goeldi, Avenida Perimetral, 1901, Terra Firme, Belém-PA 66077-830, Brazil. E-mail: [email protected] 3Institute of Earth Sciences, University of Graz, NAWI Graz, Heinrichstrasse 26, 8010 Graz, Austria. E-mail: [email protected] Magnolia Press Auckland, New Zealand Accepted by R. Matzke-Karasz: 28 Oct. 2014; published: 18 Dec. 2014 Licensed under a Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0 MARTIN GROSS, MARIA INES F. RAMOS & WERNER E. PILLER On the Miocene Cyprideis species flock (Ostracoda; Crustacea) of Western Amazonia (Solimões Formation): Refining taxonomy on species level (Zootaxa 3899) 69 pp.; 30 cm. 18 Dec. 2014 ISBN 978-1-77557-603-7 (paperback) ISBN 978-1-77557-604-4 (Online edition) FIRST PUBLISHED IN 2014 BY Magnolia Press P.O. Box 41-383 Auckland 1346 New Zealand e-mail: [email protected] http://www.mapress.com/zootaxa/ © 2014 Magnolia Press ISSN 1175-5326 (Print edition) ISSN 1175-5334 (Online edition) 2 · Zootaxa 3899 (1) © 2014 Magnolia Press GROSS ET AL. Table of contents Abstract . 4 1. Introduction . 4 2. Geological setting and short characterisation of CPRM well 1AS-10-AM . 5 3. Material and methods . 6 4. Systematic palaeontology . 6 Class Ostracoda Latreille, 1802. 6 Order Podocopida Sars, 1866 . 6 Superfamily Cytheroidea Baird, 1850 . 6 Family Cytherideidae Sars, 1925 . 6 Subfamily Cytherideinae Sars, 1925 . 6 Genus Cyprideis Jones, 1857 . 7 4.1. Remarks to supraspecific taxonomy. 7 4.2. Conceptual notes to species identification herein. 7 4.3. Western Amazonian Cyprideis species groupings . 11 4.3.1. Nominal species and emended characteristics of the “smooth” Cyprideis group . 11 4.3.2. Nominal species and emended characteristics of the “ornate” Cyprideis group . 12 4.4. Western Amazonian Cyprideis species subgroups . 12 4.5. “Smooth” Cyprideis group . 13 4.5.1. amazonica subgroup . 13 Cyprideis amazonica Purper, 1979 . 13 4.5.2. machadoi subgroup . 16 Cyprideis machadoi (Purper, 1979) . 16 Cyprideis kotzianae (Purper & Ornellas, 1991) . 17 4.5.3. olivencai subgroup . 18 Cyprideis olivencai (Purper, 1979) . 18 Cyprideis kroemmelbeini (Purper, 1979) . 19 4.5.4. paralela subgroup . 19 Cyprideis paralela (Purper, 1979) . 20 Cyprideis simplex (Sheppard & Bate, 1980) . 21 4.5.5. “Smooth” species not attributed to subgroups. 21 Cyprideis multiradiata (Purper, 1979) . 22 4.6. “Ornate” Cyprideis group . 22 4.6.1. cyrtoma subgroup . 22 Cyprideis cyrtoma Muñoz-Torres, Whatley & Van Harten, 1998 . 23 Cyprideis schedogymnos Muñoz-Torres, Whatley & Van Harten, 1998 . 23 4.6.2. graciosa subgroup . 24 Cyprideis aff. graciosa (Purper, 1979) . 25 Cyprideis reticulopunctata (Purper, 1979) . 26 Cyprideis minipunctata (Purper & Ornellas, 1991) . 26 Cyprideis curucae nom. nov.. 27 4.6.3. pebasae subgroup . 28 Cyprideis pebasae (Purper, 1979) . 28 Cyprideis munoztorresi nom. nov.. 29 Cyprideis ituiae n. sp. ..