Loxoconcha forda Bold, 1968

Luz, Nathália Carvalho Da & Coimbra, João Carlos, 2022, Ostracods (Crustacea: Ostracoda) of the Vitoria-Trindade Chain, Southwestern Atlantic, Zootaxa 5188 (4), pp. 301-329 : 310

Loxoconcha forda Bold, 1968

Fig. 3 : 21–22

1968 Loxoconcha forda Bold , p. 70–71, pl. 3, figs. 3a–e.

1988 Loxoconcha forda Bold. Bold , p. 47, pl. 7, figs. 1–2.

2020 Loxoconcha forda Bold. Machado et al. , p. 9, fig. 6E; p. 16, tab. 1.

Figured specimens. MP-O-2831, RV, length: 0.588 mm, height: 0.404 mm; MP-O-2832, LV, length: 0.586 mm, height: 0.392 mm.

Locality. Dogaressa Seamount, Sample M11005 D.

Material. 7 RV, 4 LV, 1 C, and 21 juveniles (dead assemblage) .

Stratigraphic range. Miocene to Holocene.

Occurrence and distribution. In the study area: Vitoria and Dogaressa seamounts ( Tab. 4 ). It also occurs in other Brazilian territorial waters (Northeastern and Eastern shelves). Fossil: Dominican Republic (Miocene, Caribbean). See references in the synonymy list.

Figures

FIGURE 3. 1–2: Hemicytherura bradyi. 1) MP-O-2820, RV; 2) MP-O-2821, LV. 3–9: Hemicytherura trindadensis sp. nov. 3) MP-O-2822, RV, holotype; 4) MP-O-2822, LV, paratype; 5) MP-O-2823, RV, paratype; 6) MP-O-2823, LV, paratype; 7) MP- O-2823, RV, paratype, internal view; 8) MP-O-2823, LV, paratype, internal view; 9) MP-O-2824, paratype, dorsal view. 10–16: Semicytherura parva sp. nov. 10) MP-O-2825, female, RV, holotype.; 11) MP-O-2826, female, LV, paratype; 12) MP-O-2827, male, RV, paratype; 13) MP-O-2828, male, LV, paratype; 14) MP-O-2827, male, RV, paratype, internal view; 15) MP-O-2828, male, LV, paratype, internal view; 16) MP-O-2825, female, RV, paratype, hinge. 17–18: Semicytherura sp. 17) MP-O-2830, RV; 18) MP-O-2830, LV. 19–20: Callistocythere cranekeyensis. 19) MP-O-2818, carapace, RV; 20) MP-O-2819, carapace, LV. 21–22: Loxoconcha forda. 21) MP-O-2831, RV; 22) MP-O-2832, LV. 23–24: Loxoconcha foveata. 23) MP-O-2833, female, RV; 24) MP-O-2834, female, LV. Scale bar: 100 µm.