Reconcavona uniacantha costulata Krömmelbein & Weber, 1971

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 : 50

Reconcavona uniacantha costulata Krömmelbein & Weber, 1971

Fig. 12 , 3a–c

1971 Reconcavona uniacantha costulata n. ssp. —Krömmelbein & Weber, p. 46–47, pl. 9, fig. 38.

Diagnosis: A subspecies of R. uniacantha Krömmelbein, 1962 with fine, more or less arched, longitudinal grooves on the whole central field on both valves.

Holotype: Carapace, BfB 7812.

Paratypes: Not deposited.

Dimensions: Holotype, length 1.19mm, width 0.48mm (no height given in original paper).

Remark (Bate et al. herein): The base species Reconcavona uniacantha Krömmelbein, 1962 is not mentioned.

Figures

FIGURE 3.

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.