Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . Fig. 22. Pisotrigonia parva van Hoepen, x 1. The holotype (after Kitchin 1903). (Stoliczka) (1871: 315, pi. 15 (figs 10-12)), which was said to differ . . bybeing of a more regularly rounded triangular shape, less attenuated and pro-duced posteriorly, and possessing a narrower and not so deeply excavated area(Stoliczka 1871: 315). Occurrence Pisotrigonia ventricosa (Krauss) abounds in the Upper Valanginian ofsouth-east Africa. It questionably also occurs in the Tithonian of India (Cutch)and East Africa (Tanzania). Pisotr

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Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . Fig. 22. Pisotrigonia parva van Hoepen, x 1. The holotype (after Kitchin 1903). (Stoliczka) (1871: 315, pi. 15 (figs 10-12)), which was said to differ . . bybeing of a more regularly rounded triangular shape, less attenuated and pro-duced posteriorly, and possessing a narrower and not so deeply excavated area(Stoliczka 1871: 315). Occurrence Pisotrigonia ventricosa (Krauss) abounds in the Upper Valanginian ofsouth-east Africa. It questionably also occurs in the Tithonian of India (Cutch)and East Africa (Tanzania). Pisotrigonia kraussi (Kitchin, 1908)Figs 15D, 23 Lyrodon ventricosus Krauss, 1850, pi. 2 (fig. 2a-b only).Trigonia kraussi Kitchin, 1908: 95, pi. 3 (fig. 2).Rinetrigonia kraussi (Kitchin) van Hoepen, 1929: 22. Pterotrigonia (Rinetrigonia) kraussi (Kitchin) Kobayashi & Nakano, 1957: 230, fig. 1. Skwarko,1968: 174. Type The holotype is, by monotypy, the original of the specimen figured byKitchin (1908, pi. 3 (fig. 2)) (Fig. 23), in the South African Museum. Material In a

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Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898