Reconcavona triebeli Krömmelbein, 1964

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 : 27

Reconcavona triebeli Krömmelbein, 1964

Fig. 6 , 4a–c

1964a Reconcavona triebeli n. sp. —Krömmelbein, p. 32–33, pl. 4, figs 3–4.

Diagnosis: A middle-sized species of Reconcavona with a blunt or sometimes more pointed spine in the middle part of the posterior margin of each valve. The spine originates on the outermost valve margin and is usually slightly bent towards the front.

Holotype: Carapace, SMF Xe 4805.

Paratypes: 1 carapace SMF Xe 4807, 2 carapaces under SMF Xe 4806 .

Dimensions: Holotype, length 0.74mm, height 0.41mm, width 0.28mm (without spine).

Figures

FIGURE 4. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Cypridea (Sebastianites?) mataensis vercellinoi Krömmelbein, 1962. Holotype, C, SMF Xe 4201, l 1.12mm, h 0.78mm. 2a–c. Cypridea (Sebastianites?) onusta Krömmelbein, 1962. Holotype, C, SMF Xe 4205, l 1.20mm, h 0.78mm. 3a–c. Cypridea (Sebastianites?) sostensis Krömmelbein, 1962. Holotype, C, SMF Xe 4191, l 0.97mm, h 0.57mm. 4a–c. Cypridea (Morinina?) bibullata tribullata Krömmelbein, 1962. Holotype, C, SMF Xe 4212, l 0.99mm h 0.56mm. 5a–c. Cypridea (Morinina?) langei Krömmelbein, 1962. ‘Hypotype’, C, SMF Xe 4216, l 1.25 mm, h 0.66 mm. 6a–c. Cypridea (Morininoides) candeiensis Krömmelbein, 1962. Holotype, C, SMF Xe 4217, l 0.93mm, h 0.55mm. 7a–c. Cypridea (Morininoides) hadronodosa Krömmelbein, 1962. Holotype, C, SMF Xe 4222, l 1.06mm, h 0.70mm. 8a–c. Paracypridea elegans Krömmelbein, 1962. Holotype, C, SMF Xe 4165, l 1.05mm, h 0.59mm. 9a–c. Candona? gregaria Krömmelbein, 1962. Holotype, C, SMF Xe 4225, l 1.98mm, h 1.09mm. 10a–c. Candona? condensa Krömmelbein, 1962. Holotype, C, SMF Xe 4227, l 0.96mm, h 0.74mm. 11a–c. Candona? redunca Krömmelbein, 1962. Holotype, C, SMF Xe 4229, l 0.84mm, h 0.51mm. 12a–c. Reconcavona cancellata Krömmelbein, 1962. Holotype, C, SMF Xe 4236, l 0.81mm, h 0.47mm.

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.