Description of a new tribe Cabralcandonini (Candonidae,Ostracoda) from karst aquifers in central Texas, U.S.A

• DOI: 10.4311/2019lsc0101
• Publication Date: 2019-07-03T12:24:11Z
• Authors: Okan Kulkoyluoglu; Mehmet Yavuzatmaca; Derya Akdemir; Benjamin Schwartz; Benjamin Hutchins
• Keywords: Tribe

Cabralcandonini tribe n., with the type genus Cabralcandona gen.n. from an artesian well in San Marcos, Texas (U.S.A.) and six other genera karst aquifers Texas, is proposed as a new of subfamily Candoninae (Candonidae) (Crustacea, Ostracoda).The have morphological features that distinguish them members subfamily.The most diagnostic characteristics are (1) two horn-like structures developed on antero-and postero-dorsal margins left valve, (2) numbers central muscle scars, (3) hexagonal or pentagonal (honeycomb-like) ornamentation subrectangular shaped carapace, (4) four segmented second antenna both sexes, (5) absence exopod A2, (6) shape size Y aesthetasc, (7) e, f g setae cleaning leg, ( 8) flagellum (whip-like) uropod morphology, (9) hemipenis, (10) reduction number segments limbs.Taxonomic keys for tribes including n. presented.