Cypridea sylvesterbradleyi Bate, 1994

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 : 55-56

Cypridea sylvesterbradleyi Bate, 1994

Fig. 14 , 2a–c

1994 Cypridea sylvesterbradleyi sp. nov. —Bate, p. 103–106.

Diagnosis: Small species (690–790 μm adult length) of Cypridea with oval, posteriorly tapering carapace lacking typical rostrum. Right valve larger than left valve, with line of greatest length passing through mid-point; greatest height extending through anterior cardinal angle. Shell surface with “domino” arrangement of 5 nodes, the development of which varies in intensity. Nodes situated on either a smooth or a rugose surface covered in small pustules.

Holotype: Carapace, NHMUK PM OS 14669 .

Paratypes: Carapace, NHMUK PM OS 14670 ; Right valve, NHMUK PM OS 14671 ; Left valve, NHMUK PM OS 14672 ; Carapace , NHMUK PM OS 14673 ; Right valve , NHMUK PM OS 14674 .

Dimensions: Holotype, length 690 μm (0.69mm).

Dimensions: Paratypes NHMUK PM OS 14670 , length 750 μm ; NHMUK PM OS 14671 , length 710 μm ; NHMUK PM OS 14672, length 690 μm; NHMUK PM OS 14673, length700 μm; NHMUK PM OS 14674, length 740 μm.

Figures

FIGURE 2. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Gomphocythere forbesii (Jones, 1885) ssp. of Wicher, 1959. Holotype, C ♂, T.-K.-Nr. 3181, l 0.78mm, h 0.43mm, w 0.38mm. 2a–c. Paracypridea quadrirugosa weberi Krömmelbein, 1961. Holotype, C, Form b dimorph, SMF Xe 3661, l 1.82mm, h 1.04mm. 3a–c. Paracypridea quadrirugosa weberi Krömmelbein, 1961. Paratype, C, Form a dimorph, SMF Xe 3660, l 1.45mm, h 0.93mm. 4a–c. Paracypridea similis Krömmelbein, 1961. Holotype, C, Form b, SMF Xe 3667, l 1.23mm, h 0.75mm. 5a–c. Paracypridea similis Krömmelbein, 1961. Paratype, C, Form a, SMF Xe 3666, l 1.20mm, h 0.75mm. 6a–c. Paracypridea langdoni Krömmelbein, 1961. Holotype, C, Form b, SMF Xe 3674, l 1.15mm, h 0.64mm. 7a–c. Paracypridea langdoni Krömmelbein, 1961. Paratype, C, Form a, SMF Xe 3673, l 1.01mm, h 0.69mm. 8a–c. Paracypridea brasiliensis Krömmelbein, 1961. Paratype, C, SMF Xe 3677/1 (ex SMF Xe 3677); l 0.94mm, h 0.65mm, w 0.51mm. 9a–c. Cypridea lunula Krömmelbein, 1962. Holotype, C, SMF Xe 4167, l 0.69mm, h 0.47mm. 10a–c. Cypridea nannorostrata Krömmelbein, 1962. Holotype, C, SMF Xe 4169, l 0.83mm, h 0.47mm. 11a–c. Cypridea histrix Krömmelbein, 1962. Holotype, C, SMF Xe 4173, l 0.94mm, h 0.60mm. 12a–c. Cypridea histricoides Krömmelbein, 1962. Holotype, C, SMF Xe 4175, l 0.87 mm, h 0.54 mm.

FIGURE 14.