Petrobrasia, Krommelbein, 1965

Bate, Raymond H., Horne, David J., Horne, Sarah E., Douglas, Lyndsey, Miller, Giles & Lord, Alan R., 2022, Non-marine Ostracoda (Crustacea) of the Early Cretaceous ‘ Pre-Salt’ sediments of Brazil: An illustrated catalogue of the type specimens of Wicher, Krömmelbein, Krömmelbein & Weber, and Bate, Zootaxa 5098 (1), pp. 1-84 : 48

Petrobrasia ? gutta Krömmelbein & Weber, 1971

Fig. 11 , 9a–c

1971 Petrobrasia ? gutta n. sp.—Krömmelbein & Weber, p. 40, pl. 7, fig. 29.

Diagnosis: A species of Petrobrasia with, in lateral view, a strongly bowed dorsal margin, a fairly strongly indented ventral margin and a pulled-down and distinctly narrowing posterior margin. Carapace in dorsal view stockily biconvex. Without distinctive sculpture.

Holotype: Carapace, BfB 7801.

Paratypes: Not deposited.

Dimensions: Holotype, length 0.79mm, height 0.48mm, width 0.35mm.

Figures

FIGURE 9. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Petrobrasia congolensis Krömmelbein, 1965. Holotype, C, SMF Xe 5384, l 0.80mm, h 0.41mm, w 0.25mm. 2a–c. Petrobrasia zairensis Krömmelbein, 1965. Holotype, C, SMF Xe 5387, l 0.90mm, h 0.47mm, w 0.34mm. 3a–c. Hourcqia africana Krömmelbein, 1965. Holotype, C, SMF Xe 5389, l 0.86mm, h 0.57mm, w 0.47mm. 4a–c. ”Metacypris” papillaris Krömmelbein, 1965. Holotype, Left Valve, SMF Xe 5395, l 0.92mm. 5a–c. “Metacypris“ inops Krömmelbein, 1965. Holotype, C, SMF Xe 5398, l about 0.73mm, h about 0.41mm, w 0.40mm. 6a–c. Cypridea indiennensis densipunctata Krömmelbein & Weber, 1971. Holotype, C, BfB 7767, l 1.25mm, h 0.80mm, w 0.58mm. 7a–c. Cypridea miritiensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7768, l 0.97mm, h 0.60mm, w 0.47mm. 8a–c. Cypridea infima Krömmelbein & Weber, 1971. Holotype, C, BfB 7770, l 0.60mm, h 0.39mm, w 0.36mm. 9a–c. Cypridea conjugata Krömmelbein & Weber, 1971. Holotype, Left Valve, BfB 7772, l 1.03mm, h 0.67mm. 10a–c. Cypridea ellipsoidea Krömmelbein & Weber, 1971. Holotype, C, BfB 7774, l 0.88mm, h 0.54mm, w 0.50mm. 11a–c. Cypridea altilis Krömmelbein & Weber, 1971. Holotype, C, BfB 7776, l 1.85mm, h 1.15mm, w 0.88mm. 12a–c. Cypridea minuscula Krömmelbein & Weber, 1971. Holotype, C, BfB 7777, l 0.50mm, h 0.34mm.

FIGURE 11. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Hourcqia africana africana Krömmelbein, 1965. Topotype, C, BfB 7793, l 0.97mm, h 0.62mm, w 0.47mm. 2a–c. Hourcqia africana confluens Krömmelbein & Weber, 1971. Holotype, C, BfB 7794, l 1.05mm, h 0.71mm, w 0.50mm. 3a–c. Hourcqia angulata angulata Krömmelbein & Weber, 1971. Holotype, C, BfB 7795, l 0.86mm, h 0.58mm, w 0.42mm. 4a–c. Hourcqia angulata sinuata Krömmelbein & Weber, 1971. Holotype, C, BfB 7796, l 0.78mm, h 0.54mm, w 0.37mm. 5a–c. Hourcqia angulata symmetrica Krömmelbein & Weber, 1971. Holotype, C, BfB 7797, l 1.12mm, h 0.72mm, w 0.58mm. 6a–c. Hourcqia angulata salitrensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7798, l 1.14mm, h 0.77mm, w 0.64mm. 7a–c. Petrobrasia tenuistriata longiuscula Krömmelbein & Weber, 1971. Holotype, C, BfB 7799, l 1.12mm, h 0.57mm, w 0.36mm. 8a–c. Petrobrasia? badajosensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7800, l 0.88mm, h 0.52mm, w 0.34mm. 9a–c. Petrobrasia? gutta Krömmelbein & Weber, 1971. Holotype, C, BfB 7801, l 0.79mm, h 0.48mm, w 0.35mm. 10a–c. Petrobrasia capivarensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7802, l 0.97mm, h 0.60mm, w 0.34mm. 11a–c. Petrobrasia vallata Krömmelbein & Weber, 1971. Holotype, C, BfB 7805, l 0.77mm, h 0.40mm, w 0.21mm. 12a–c. Salvadoriella? pusilla Krömmelbein & Weber, 1971. Holotype, C, BfB 7808, l 0.57mm, h 0.27mm, w 0.24mm.