Theriosynoecum miritiensis 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 : 54

Theriosynoecum miritiensis Krömmelbein & Weber, 1971

Fig. 13 , 9a–c and 10a–c

1971 Theriosynoecum miritiensis n. sp. —Krömmelbein & Weber, p. 64–65, pl. 12, figs 57–59.

Diagnosis: A new species of Theriosynoecum with a very pronounced carapace dimorphism: female carapace with high, sticking-up pointed-tipped postero-dorsal valve area; male with five nodes on the posterior valve field, of which the node in the medio-posterior position is only small and not very striking.

Holotype: Carapace ♀, BfB 7834.

Paratypes: Carapace ♂, BfB 7835; carapace ♀?, BfB 7836..

Dimensions: ♀ Holotype, length 0.80mm.

Dimensions: ♂ Paratype, length 0.78mm, height 0.48mm, width 0.43mm.

Figures

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.

FIGURE 10. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Cypridea acicularis Krömmelbein & Weber, 1971. Holotype, C, BfB 7779, l 0.93mm, h 0.52mm, w 0.42mm. 2a–c. Cypridea heliopolisensis hespera Krömmelbein & Weber, 1971. Holotype, C, BfB 7780, l 1.12mm, h 0.72mm. 3a–c. Cypridea jequiensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7781, l 0.88mm, h 0.60mm, w 0.41mm. 4a–c. Cypridea bubonulata Krömmelbein & Weber, 1971. Holotype, C, BfB 7782, l 1.19mm, h 0.74mm. 5a–c. Cypridea sellata Viana, 1966. C, BfB 7783, l 0.94mm, h 0.49mm, w 0.35mm. 6a–c. Cypridea (Sebastianites?) matinversa Krömmelbein & Weber, 1971. Holotype, C, BfB 7785, l 1.05mm, h 0.69mm, w 0.51mm. 7a–c. Cypridea (Sebastianites?) denarius Krömmelbein & Weber, 1971. Holotype, Left Valve, BfB 7786, l 1.28mm, h 0.90mm. 8a–c. Cypridea (Sebastianites?) mira Krömmelbein & Weber, 1971. Holotype, C, BfB 7787, l 1.16mm. 9a–c. Cypridea (Morininoides) variebullata Krömmelbein & Weber, 1971. Holotype, C, BfB 7788, l 1.20mm, h 0.56mm. 10a–c. Paracypridea brasiliensis Krömmelbein, 1961. Carapace, BfB 7790. No dimensions provided in Krömmelbein (1961) or Krömmelbein & Weber (1971). 11a–c. Paracypridea connectens Krömmelbein & Weber, 1971. Holotype, C, BfB 7791, l 1.46mm, h 0.80mm, w 0.68mm. 12a–c. Paracypridea impar Krömmelbein & Weber, 1971. Holotype, C, BfB 7792, l 1.41mm, h 0.86mm, w 0.70mm.

FIGURE 13. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Theriosynoecum isoplektum Krömmelbein & Weber, 1971. Holotype, C ♂?, BfB 7825, l 0.77mm, h 0.41mm, w 0.38mm. 2a–c. Theriosynoecum isoplektum Krömmelbein & Weber, 1971. Paratype, C ♀?, BfB 7826, l 0.72mm, h 0.38mm, w 0.37mm. 3a–c. Theriosynoecum ilhasensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7827, l 0.90mm, h 0.51mm, w 0.51mm. 4a–c. Theriosynoecum trigonalis Krömmelbein & Weber, 1971. Holotype, C, BfB 7828, l 0.79mm, w 0.65mm. 5a–c. Theriosynoecum ventralatum Krömmelbein & Weber, 1971. Holotype, C ♀, BfB 7829, l 0.90mm, h 0.56mm, w 0.68mm. 6a–c. Theriosynoecum ventralatum Krömmelbein & Weber, 1971. Paratype, C ♂, BfB 7830, l 0.90mm, h 0.55mm, w 0.55mm. 7a–c. Theriosynoecum quadrinodosum Krömmelbein & Weber, 1971. Holotype, C ♀, BfB 7831, l 0.70mm, h 0.40mm, w 0.37mm. 8a–c. Theriosynoecum quadrinodosum Krömmelbein & Weber, 1971. Paratype, C ♂, BfB 7832, l 0.70mm, h 0.39mm, w 0.31mm. 9a–c. Theriosynoecum miritiensis Krömmelbein & Weber, 1971. Holotype, C ♀, BfB 7834, l 0.80mm. 10a–c. Theriosynoecum miritiensis Krömmelbein & Weber, 1971. Paratype, C ♂, BfB 7835, l 0.78mm, h 0.48mm, w 0.43mm. 11a–c. Theriosynoecum wicheri Krömmelbein & Weber, 1971. Holotype, C ♂, BfB 8022, l 0.76mm, h 0.42mm, w 0.36mm. 12a–c. Theriosynoecum wicheri Krömmelbein & Weber, 1971. Paratype, C ♀, BfB 8023, l 0.76mm, h 0.43mm, w 0.48mm.