Ilhasina amphotera Krömmelbein, 1963

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 : 25

Ilhasina amphotera Krömmelbein, 1963

Fig. 5 , 11a–c

1963 Ilhasina amphotera n. sp. —Krömmelbein, p. 383–384, pl. 1, fig. 4.

Diagnosis: A smaller species of the genus Ilhasina n. g. with the following peculiarities: the carapace is elongated, slim and low. On each valve, at the anterior and posterior is a more or less strong swelling: the posterior one has a more elongated form mostly like a blunt spine; the anterior one is more roundly outlined.

Holotype: Carapace, SMF Xe 4656.

Paratypes: 3 carapaces, SMF Xe 4657 .

Dimensions: Holotype, length 0.79mm, height 0.38mm, width 0.34mm.

Figures

FIGURE 5. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Reconcavona swaini Krömmelbein, 1962. Holotype, C, SMF Xe 4238, l 0.79mm, h 0.46mm. 2a–c. Reconcavona centronodosa Krömmelbein, 1962. Holotype, C, SMF Xe 4240, l 0.67mm, h 0.41mm. 3a–c. Reconcavona uncinata Krömmelbein, 1962. Holotype, C, SMF Xe 4242, l 0.73mm, h 0.33mm. 4a–c. Reconcavona uniacantha Krömmelbein, 1962. Holotype, C, SMF Xe 4244, l 0.94mm, h 0.55mm. 5a–c. Ilyocypris sp. in Krömmelbein, 1962. C, SMF Xe 4246. l 0.65mm, h 0.35mm, w 0.31mm. 6a–c. Dolerocypris? marfinensis Krömmelbein, 1962. Holotype, C, SMF Xe 4248, l 0.78 mm, h 0.47 mm. 7a–c. Coriacina coriacea Krömmelbein, 1962. Holotype, C, SMF Xe 4259, l 0.73mm h 0.47mm. 8a–c. Ilhasina remanei remanei Krömmelbein, 1963. Holotype, C, SMF Xe 4650, l 0.76mm, h 0.45mm, w 0.34mm. 9a–c. Ilhasina remanei cuneiformis Krömmelbein, 1963. Holotype, C, SMF Xe 4652, l 0.71mm, h 0.40mm, w 0.40mm. 10a–c. Ilhasina torosa Krömmelbein, 1963. Holotype, C, SMF Xe 5654, l 0.89mm, h 0.54mm, w 0.54mm. 11a–c. Ilhasina amphotera Krömmelbein, 1963. Holotype, C, SMF Xe 4656, l 0.79mm, h 0.38mm, w 0.34mm. 12a–c. Salvadoriella redunca comitans Krömmelbein, 1963. Holotype, C, SMF Xe 4660, l 0.88mm, h 0.48mm, w 0.34mm.

FIGURE 11. a = left lateral, b = dorsal, and c = right lateral views. 1a–c. Hourcqia africana africana Krömmelbein, 1965. Topotype, C, BfB 7793, l 0.97mm, h 0.62mm, w 0.47mm. 2a–c. Hourcqia africana confluens Krömmelbein & Weber, 1971. Holotype, C, BfB 7794, l 1.05mm, h 0.71mm, w 0.50mm. 3a–c. Hourcqia angulata angulata Krömmelbein & Weber, 1971. Holotype, C, BfB 7795, l 0.86mm, h 0.58mm, w 0.42mm. 4a–c. Hourcqia angulata sinuata Krömmelbein & Weber, 1971. Holotype, C, BfB 7796, l 0.78mm, h 0.54mm, w 0.37mm. 5a–c. Hourcqia angulata symmetrica Krömmelbein & Weber, 1971. Holotype, C, BfB 7797, l 1.12mm, h 0.72mm, w 0.58mm. 6a–c. Hourcqia angulata salitrensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7798, l 1.14mm, h 0.77mm, w 0.64mm. 7a–c. Petrobrasia tenuistriata longiuscula Krömmelbein & Weber, 1971. Holotype, C, BfB 7799, l 1.12mm, h 0.57mm, w 0.36mm. 8a–c. Petrobrasia? badajosensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7800, l 0.88mm, h 0.52mm, w 0.34mm. 9a–c. Petrobrasia? gutta Krömmelbein & Weber, 1971. Holotype, C, BfB 7801, l 0.79mm, h 0.48mm, w 0.35mm. 10a–c. Petrobrasia capivarensis Krömmelbein & Weber, 1971. Holotype, C, BfB 7802, l 0.97mm, h 0.60mm, w 0.34mm. 11a–c. Petrobrasia vallata Krömmelbein & Weber, 1971. Holotype, C, BfB 7805, l 0.77mm, h 0.40mm, w 0.21mm. 12a–c. Salvadoriella? pusilla Krömmelbein & Weber, 1971. Holotype, C, BfB 7808, l 0.57mm, h 0.27mm, w 0.24mm.