Xestoleberis sp. 2

Antonietto, Lucas Silveira, Machado, Cláudia Pinto, Carmo, Dermeval Aparecido Do & Rosa, José Wilson Correa, 2012, Recent Ostracoda (Arthropoda, Crustacea) from São Pedro-São Paulo Archipelago, Brazil: a preliminary approach, Zootaxa 3335 (1), pp. 29-53 : 42

Xestoleberis sp. 2

Fig. 7 :1–9

Material. Eight specimens (MP-612 and MP-747).

Figured specimens. CP-498, CP-499, CP-501 and CP-503 (carapaces); CP-502 (valve) ( Tab. 10).

Remarks. Specimens from the present work are very similar to Xestoeleberis lenae ( Wouters 2003) , but differ from by possessing a ventroposterior row of three small tubercles in the left valve, in contrast with the type specimens of X. lenae , which are smooth in lateral view. It possibly represents a new species of Xestoleberis ; however, only eight specimens were recovered, and just five of them were adults, which leaves the material too few for description.

*- Lost.

Figures

FIGURE 7. Ostracods from São Pedro-São Paulo Archipelago, Northeastern Brazil. 1–9. Xestoleberis sp. 1. 1–2. Adult carapace, CP-491. 1. Right view. 2. Left view. 3. Adult carapace, CP-492, dorsal view. 4–6. Adult valve, CP-491. 4. Internal view. 5. Central muscle scar in detail. 6. Interpretation of the Central muscle scar. 7. A-1? carapace, CP-493, left view. 8. A-5? carapace, CP-496, right view. 9. A-6? carapace, CP-497, right view. 10–19. Aurila sp. 1. 10–14. Adult carapace, CP-465. 10. Right view. 11. Left view. 12. Left internal view. 13. Central muscle scar in detail. 14. Interpretation of the central muscle scar. 15. A- 1? carapace, CP-466, right view. 16. A-2? valve, CP-467, right view. 17. A-3? valve, CP-468, right view. 18. A-4? valve, CP- 469, right view. 19. A-6? valve, CP-470, left view. Scale = 100 µm.