Petrobrasia zairensis Krömmelbein, 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 : 39

Petrobrasia zairensis Krömmelbein, 1965

Fig. 9 , 2a–c

1965b Petrobrasia zairensis n. sp. —Krömmelbein, p. 68, pl. 2, fig. 9.

Diagnosis: A large Petrobrasia species with very fine, often barely visible ridges or striations parallel to the lengthways margins.

Holotype: Carapace, SMF Xe 5387.

Paratype: 1 carapace SMF Xe 5388 .

Dimensions: Holotype, length 0.90mm, height 0.47mm, width 0.34mm.

Figures

FIGURE 2. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Gomphocythere forbesii (Jones, 1885) ssp. of Wicher, 1959. Holotype, C ♂, T.-K.-Nr. 3181, l 0.78mm, h 0.43mm, w 0.38mm. 2a–c. Paracypridea quadrirugosa weberi Krömmelbein, 1961. Holotype, C, Form b dimorph, SMF Xe 3661, l 1.82mm, h 1.04mm. 3a–c. Paracypridea quadrirugosa weberi Krömmelbein, 1961. Paratype, C, Form a dimorph, SMF Xe 3660, l 1.45mm, h 0.93mm. 4a–c. Paracypridea similis Krömmelbein, 1961. Holotype, C, Form b, SMF Xe 3667, l 1.23mm, h 0.75mm. 5a–c. Paracypridea similis Krömmelbein, 1961. Paratype, C, Form a, SMF Xe 3666, l 1.20mm, h 0.75mm. 6a–c. Paracypridea langdoni Krömmelbein, 1961. Holotype, C, Form b, SMF Xe 3674, l 1.15mm, h 0.64mm. 7a–c. Paracypridea langdoni Krömmelbein, 1961. Paratype, C, Form a, SMF Xe 3673, l 1.01mm, h 0.69mm. 8a–c. Paracypridea brasiliensis Krömmelbein, 1961. Paratype, C, SMF Xe 3677/1 (ex SMF Xe 3677); l 0.94mm, h 0.65mm, w 0.51mm. 9a–c. Cypridea lunula Krömmelbein, 1962. Holotype, C, SMF Xe 4167, l 0.69mm, h 0.47mm. 10a–c. Cypridea nannorostrata Krömmelbein, 1962. Holotype, C, SMF Xe 4169, l 0.83mm, h 0.47mm. 11a–c. Cypridea histrix Krömmelbein, 1962. Holotype, C, SMF Xe 4173, l 0.94mm, h 0.60mm. 12a–c. Cypridea histricoides Krömmelbein, 1962. Holotype, C, SMF Xe 4175, l 0.87 mm, h 0.54 mm.

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.