DOI: 10.5061/dryad.rd234
title: Data from: Taxonomy of deep-sea trachyleberidid, thaerocytherid, and hemicytherid genera (Ostracoda)

description: We conducted a comprehensive systematic revision of deep-sea
 Trachyleberididae, Thaerocytheridae, and Hemicytheridae (Ostracoda,
 Crustacea) covering almost all Cenozoic genera using high-resolution
 scanning electron microscopy. Trachyleberididae, our main focus, is one of
 the most diverse and abundant ostracod families, but its genus-level
 taxonomy is still confusing. Approximately 700 specimens from 177 species
 from 47 genera were examined. The studied samples range in age from the
 Cretaceous to the present day and cover all major oceans in the world,
 including the Atlantic, Pacific, Indian, and Southern Oceans, the
 Mediterranean Sea, and the Gulf of Mexico. Five new genera and 45 new
 species are described: Bensonodutoitella gen. nov., Hornibrookoleberis
 gen. nov., Croninocythereis gen. nov., Bensonocosta gen. nov., Ryugucivis
 gen. nov., Abyssocythere scotti sp. nov., Ambocythere tomocaudata sp.
 nov., Ambocythere whatleyi sp. nov., Ambocythere hyakunome sp. nov.,
 Atlanticythere bensoni sp. nov., Atlanticythere oculi sp. nov., Dutoitella
 cronini sp. nov., Dutoitella symmetrica sp. nov., Dutoitella mazziniae sp.
 nov., Dutoitella paradinglei sp. nov., Dutoitella ayressi sp. nov.,
 Dutoitella colesi sp. nov., Dutoitella spinosa sp. nov., Dutoitella
 whatleyi sp. nov., Dutoitella atlantiformis sp. nov., Bensonodutoitella
 bicornigeri sp. nov., Oligocythereis sylvesterbradleyi sp. nov., Cythereis
 guerneti sp. nov., Cythereis johnnealei sp. nov., Cythereis parajohnnealei
 sp. nov., Cythereis neoanteplana sp. nov., Cythereis sylvesterbradleyi sp.
 nov., Cythereis bensoni sp. nov., Cythereis purii sp. nov., Cythereis
 fungina sp. nov., Cythereis tomcronini sp. nov., Cythereis legitimoformis
 sp. nov., Cythereis richardbensoni sp. nov., Cythereis dinglei sp. nov.,
 Cythereis ovi sp. nov., Cythereis swansoni sp. nov., Croninocythereis
 tridentiferi sp. nov., Croninocythereis cronini sp. nov., Bensonocosta
 bensoni sp. nov., Ayressoleberis colesi sp. nov., Leguminocythereis?
 buzasi sp. nov., Legitimocythere tomi sp. nov., Ryugucivis jablonskii sp.
 nov., Ryugucivis acuminata sp. nov., Ryugucivis obtusa sp. nov.,
 Phacorhabdotus mazzinireticulatus sp. nov., Phacorhabdotus nudus sp. nov.,
 Phacorhabdotus slipperi sp. nov., Taracythere ayressoabyssora sp. nov.,
 and Taracythere thalassoformis sp. nov. Emended concepts are proposed for
 several important genera to better stabilize their taxonomy. This study
 considerably reduces taxonomic uncertainty of this important component of
 the modern and fossil deep-sea ostracod community and provides a robust
 taxonomic baseline for deep-sea ostracod-based paleoceanographic,
 paleoecological, and macroevolutionary research. KEY WORDS: Deep sea,
 Ostracoda, taxonomy, Trachyleberididae, Thaerocytheridae, Hemicytheridae.
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