REVISION OF RECENT BAIRDIIDAE 19 



Species included. — Recent species for which soft parts have been 

 described, listed by original binomen: 

 Triebelina schulzi Hartmann, 1964 

 Bairdia corpulejita Miiller, 1894 

 Bairdia decipiens Miiller, 1894 

 Bairdia dinochelata Kornicker, 1961 

 Bairdia frequens Miiller, 1894 

 Bairdia cf. frequens, Keys, 1964 

 Bairdia gerda Benson and Coleman 

 Triebelina gierloffi. Hartmann, 1959 

 Bairdia incognita Lerner-Seggev, 1964 

 ? Bairdia inflata (Norman), 1862 of Brady, 1868 

 Bairdia longevaginata Miiller, 1894 

 Bairdia mediterranea Miiller, 1894 

 Bairdia minor Miiller, 1894 

 Bairdia obscura Miiller, 1894 

 Bairdia phlegeri McKenzie and Swain, 1967 

 "^Bairdia simuvillosa Swain, 1967 

 Bairdia subdeltoidea Miinster of Sars, 1888 



Six new species and one subspecies are named and described herein: 



Neonesidea antonbruuna, new species 

 Neonesidea arenigena, new species 

 Neonesidea cracenticlavula, new species 

 Neonesidea parilihamata, new species 

 Neonesidea pateriformis, new species 

 Neonesidea aduncicorpulenta, new species 

 Neonesidea schulzi ifalikensis, new subspecies 



The following species are a few of the many known only from empty 

 carapaces that may be assigned to Neonesidea on the basis of carapace 

 shape and muscle-scar pattern illustrated in existing literature: 



Bairdia amygdaloides Brady of Brady, 1890 

 Bairdia attenuata Brady, 1880 

 Bairdia crosskeiana Brady, 1866 

 Bairdia fusca Brady, 1880 

 Bairdia longisetosa Brady, 1902 

 Bairdia woodwardiana Brady, 1880 



NoMENCLATURAL DISCUSSION. — The geuus Nesidea was proposed 

 by Costa (1847, 1849-1853) for the single species TV. hirta. The illus- 

 trations of this species are naively rendered and contain many glaring 

 errors. While the species is certainly a bairdiid ostracode and, according 

 to the structure of the copulatory organ and carapace outline, probably 

 belongs to this first generic grouping of species as diagnosed above, 

 the many errors prohibit identification of this form with any one of 

 the several species of this general form known to inhabit the Bay of 

 Naples. Without a type specimen, A'', hirta and the genus Nesidea 

 must remain technically available but operationally undefinable units. 

 Stability of nomenclature will best be conserved by setting aside the 

 names Nesidea and A'', hirta as nomina dubia. 



