NEW GENERA AND SPECIES OF OSTRACODA FROM THE MAASTRICHTIAN AND DANIAN OF THE NEUQU
EN BASIN, ARGENTINA

CEOILIN, D.; WHATLEY, R.; FAUTH, G.,; CONCHEYRO, A.,

Papers in Paleontology

Wiley

Año: 2015 p. 1 - 71

2056-2799

A total of 113 species belonging to 54 genera arerecovered from a study of the Maastrichtian and Daniandeposits in the Cerro Azul section of the Neuquen Basin,west-central Argentina. Of these, 9 new genera, 38 new speciesand 28 species in open nomenclature are recorded. Theseform the basis of the present study and are listed below. Genera:Phelocyprideis gen. nov., Aleisocythereis gen. nov., Apatoleberisgen. nov., Mimicocythereis gen. nov., Castillocythereisgen. nov., Hysterocythereis gen. nov., Orthrocosta gen. nov.,Petalocythereis gen. nov. and Sthenarocythereis gen. nov. Species:Cytherella saraballentae sp. nov., Cytherella semicatillussp. nov., Paracypris bertelsae sp. nov., Paracypris imaguncula sp.nov., Argilloecia abnormalis sp. nov., Argilloecia concludussp. nov., Argilloecia hydrodynamicus sp. nov., Bythoceratinacheleutos sp. nov., Phelocyprideis acardomesido sp. nov., Eucytheredinetos sp. nov., Krithe crepidus sp. nov., Cytheropteronhyperdictyon sp. nov., Cytheropteron bidentinos sp. nov.,Cytheropteron translimitares sp. nov., Aversovalva glochinos sp.nov., Eucytherura stibaros sp. nov., Hemingwayella verrucosussp. nov., Heinia prostratopleuricos sp. nov., Loxoconcha (s.l.)posterocosta sp. nov., Keijia circulodictyon sp. nov., Keijia kratistossp. nov., Paramunseyella epaphroditus sp. nov., Munseyellacostaevermiculatus sp. nov., Ameghinocythere archaios sp.nov., Aleisocythereis polikothonus sp. nov., Castillocythereismulticastrum sp. nov., Castillocythereis albertoriccardii sp.nov., Cythereis stratios sp. nov., Cythereis clibanarius sp. nov.,Cythereis trajectiones sp. nov., Henryhowella (Wichmannella)praealtus sp. nov., Hysterocythereis paredros sp. nov., Hysterocythereiscoinotes sp. nov., Hysterocythereis diversotuberculatussp. nov., Orthrocosta decores sp. nov., Orthrocosta atopos sp.nov., Orthrocosta phantasia sp. nov. and Sthenarocythereiserymnos sp. nov. The nature of the fauna and aspects of itsevolution are discussed.