Reconcavona, Krommelbein, 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 : 51

Reconcavona ? incerta Krömmelbein & Weber, 1971

Fig. 12 , 6a–c

1971 Reconcavona ? incerta n. sp.—Krömmelbein & Weber, p. 49–50, pl. 9, fig. 41.

Diagnosis: A species placed only with great reservations in Reconcavona . Right valve larger than left valve. Carapace arch-shaped in outline, ventral margin strongly indented. Dorsal margin rather irregularly “wavy”, maximum carapace height in front of the middle, in front of and behind it the dorsal margin is distinctly crooked.

Holotype: Carapace, BfB 7816.

Paratypes: Several carapaces, BfB 7817.

Dimensions: Holotype, length 1.01mm, width 0.39mm.

Figures

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.

FIGURE 12. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Salvadoriella? dissimilis Krömmelbein & Weber, 1971. Holotype, C, BfB 7809, l 1.22mm, h 0.63mm, w 0.40mm. 2a–c. Salvadoriella? acuta Krömmelbein & Weber, 1971. Holotype, C, BfB 7810, l 1.38mm, w 0.57mm. 3a–c. Reconcavona uniacantha costulata Krömmelbein & Weber 1971. Holotype, C, BfB 7812, l 1.19mm, w 0.48mm. 4a–c. Reconcavona? ultima Krömmelbein & Weber, 1971. Holotype, C, BfB 7813, l 0.68mm, h 0.48mm, w 0.26mm. 5a–c. Reconcavona? jatobaensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7815, l 0.80mm, h 0.48mm, w 0.34mm. 6a–c. Reconcavona? incerta Krömmelbein & Weber, 1971. Holotype, C, BfB 7816, l 1.01mm, w 0.39mm. 7a–c. Limnocythere? troelseni Krömmelbein & Weber, 1971. Holotype, C, BfB 7818, l 0.51mm, w 0.20mm. 8a–c. Looneyellopsis brasiliensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7819, l 0.56mm, h 0.33mm. 9a–c. Theriosynoecum papillaris americanum Krömmelbein & Weber, 1971. Holotype, C, BfB 7821, l 1.14mm, h 0.71mm, w 0.61mm. 10a–c. Theriosynoecum postangularis binodosum Krömmelbein & Weber, 1971. Holotype, C, BfB 7822, l 1.02mm, h 0.62mm, w 0.62mm. 11a–c. Theriosynoecum musculus Krömmelbein & Weber, 1971, Holotype, C ♀, BfB 7823, l 1.05mm, h 0.71mm, w 0.83mm. 12a–c. Theriosynoecum musculus Krömmelbein & Weber, 1971. Paratype, C ♂, BfB 7824, l 1.06mm, h 0.68mm, w 0.63mm.