Sergipella viviersae Do Carmo et al., 2012

Antonietto, Lucas Silveira, Carmo, Dermeval Aparecido do, Viviers, Marta Claudia, Neto, João Villar Queiroz & Hunt, Gene, 2016, Ostracoda (Arthropoda, Crustacea) from the Riachuelo Formation, Sergipe-Alagoas Basin, Brazil, Upper Aptian-Albian, European Journal of Taxonomy 244, pp. 1-57 : 45-46

Sergipella viviersae Do Carmo et al., 2012

Fig. 9A

Sergipella viviersae Do Carmo et al., 2012: 10 , figs 2.1–2.7. Sergipella transatlantica Krömmelbein, 1967 . – Viviers et al. 2000: 437, figs 23.12–23.13.

Sergipella aff. viviersae – Piovesan et al. 2013: 249, fig. 5.9a–b.

New material examined

BRAZIL: 1-CPB-1 well, Carmópolis Municipality, Sergipe State (depths of 348, 348.5 and 364.5 m); 1-US-1 well, Laranjeiras Municipality, Sergipe State (depths of 951, 1146 and 1200 m); Penha outcrop, Riachuelo Municipality, Sergipe State (samples MP-1449 to MP-1453, MP-1456, MP-1457 and MP- 1459), approximate coordinates 10°42' S, 37°13' W; São José 1 outcrop, Riachuelo Municipality, Sergipe State (samples MP-1550 to MP-1576, MP-1578, MP-1680 and MP-1694 to MP-1698), approximate coordinates 10°44' S, 37°13' W.

Type locality and stratum

Sample MP-1157, São José 1 outcrop, Riachuelo Municipality, Sergipe State, Brazil, approximate coordinates: 10°44' S, 37°13' W; Riachuelo Formation, Sergipe-Alagoas Basin, lower Albian, Aracajuia benderi zone (MSA-0), Sergipella viviersae subzone (MSA-0.2).

Measurements

Homeotype (CP-728): ³, carapace: length = 0.65 mm, height = 0.35 mm, width = 0.31 mm.

Remarks

The diagnosis follows Do Carmo et al. (2012).

Paleoecology and distribution

Sergipella viviersae Do Carmo et al., 2012 is a transitional to marine (shelf) species occurring in the following localities and stages: São Mateus Formation, Espírito Santo Basin, Albian ( Piovesan et al. 2013); and Riachuelo Formation, Sergipe-Alagoas Basin, upperAptian–lower Albian, Aracajuia benderi zone (MSA-0), Harbinia sinuata ? (MSA-0.1) and Sergipella viviersae (MSA-0.2) subzones ( Viviers et al. 2000; Do Carmo et al. 2012); in the present work, restricted to the Angico and Taquari Member of the aforementioned formation, Brazil.