Aracajuia fragilis ( Piovesan & Nicolaidis, 2013 ) Antonietto & Carmo & Viviers & Neto & Hunt, 2016

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 : 37

Aracajuia fragilis ( Piovesan & Nicolaidis, 2013) comb. nov.

Fig. 7S

Amphicytherura fragilis Piovesan & Nicolaidis, 2013: 247 , fig. 4.7a–d.

New material examined

BRAZIL: Estre outcrop, Rosário do Catete Municipality, Sergipe State (samples MP-1424 to MP-1431), approximate coordinates 10°41' S, 37°02' W.

Type locality and stratum

PAB-15 well at a depth of 1029 m, Espírito Santo State, Brazil; São Mateus Formation, Espírito Santo Basin, Albian.

Measurements

Homeotype (CP-764): ♀, left valve: length = 0.45 mm, height = 0.24 mm.

Remarks

The diagnosis follows Piovesan et al. (2013). After a major review of the genera Amphicytherura and Aracajuia by Antonietto et al. (2013), the species has been transferred to the latter.

Paleoecology and distribution

Aracajuia fragilis ( Piovesan & Nicolaidis, 2013) comb. nov. 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 in the present work, Taquari Member, Riachuelo Formation, Sergipe-Alagoas Basin, middle Albian, Aracajuia benderi zone (MSA-0), Reticulocosta edrianae subzone (MSA-0.4), Brazil.