Cypridea ambigua Krömmelbein, 1962

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 : 15

Cypridea ambigua Krömmelbein, 1962

Fig. 3 , 6a–c

1962 Cypridea ambigua n. sp. —Krömmelbein, p. 456–457, pl. 57, fig. 28.

Diagnosis: A small Cypridea species from the vulgaris group; more extended and slimmer than C. vulgaris n. sp. Anterior cardinal angle less emphasized, the straight part of the dorsal margin falling away towards the posterior less steeply than in C. vulgaris n. sp., otherwise broadly similar to the latter.

Holotype: Carapace, SMF Xe 4189.

Paratypes: 4 carapaces under SMF Xe 4190 .

Dimensions: Holotype, length 0.76mm, height 0.46mm.

Figures

FIGURE 3.

FIGURE 6. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Salvadoriella redunca posterior Krömmelbein, 1963. Holotype, C, SMF Xe 4662, l 0.95mm, h 0.46mm, w 0.41mm. 2a–c. Reconcavona impar Krömmelbein, 1964. Holotype, C, SMF Xe 4801, length 0.90mm, h 0.52mm, w 0.38mm (without spine). 3a–c. Reconcavona gastracantha Krömmelbein, 1964. Holotype, C, SMF Xe 4803, l 0.75mm, h 0.44mm, w 0.32mm. 4a–c. Reconcavona triebeli Krömmelbein, 1964. Holotype, C, SMF Xe 4805, l 0.74mm, h 0.41mm, w 0.28mm (without spine). 5a–c. Reconcavona agnata Krömmelbein, 1964. Holotype, C, SMF Xe 4808, l 0.99mm, h 0.52mm, w 0.33mm. 6a–c. Reconcavona verruculosa Krömmelbein, 1964. Paratype, C, SMF Xe 4810/1 (ex-SMF Xe 4810). Dimensions of Holotype: l 0.77mm, h 0.44mm, w 0.36mm. Paratype: l 0.75mm, h 0.44mm, w 0.27mm. 7a–c. Paracypridea obovata macacoensis Krömmelbein, 1964. Holotype, C, SMF Xe 4812, l 1.25mm, h 0.76mm, w 0.54mm. 8a–c. Paracypridea similis condylaris Krömmelbein, 1964. Holotype, C, SMF Xe 4814, l 1.25mm, h 0.85mm, w 0.56mm. 9a–c. Paracypridea elegans santantoniensis Krömmelbein 1964. Holotype, C, SMF Xe 4816, l 1.22mm, h 0.73mm, w 0.54mm. 10a–c. Paracypridea elegans inflata Krömmelbein, 1964. Holotype, C, SMF Xe 4818, l 1.02mm, h 0.67mm, w 0.54mm. 11a–c. Paracypridea maacki Krömmelbein, 1964. Holotype, C, SMF Xe 4821, l 0.96mm, h 0.55mm, w 0.53mm. 12a–c. Paracypridea bicallosa Krömmelbein, 1964. Holotype, C, SMF Xe 4824, l 1.08mm, h 0.74mm, w 0.70mm.