Figs. 1a, 1b.—Cymatium marwicki n. sp. Holotype. Figs. 2a, 2b.—Cymatium revolutum n. sp. Holotype. Figs. 3a, 3b.—Austrotriton cyphoides n. sp. Holotype. Fig. 4.—Austrotriton maorium n. sp. Paratype, Target Gully. Fig. 5.—Austrotriton maorium var. insignitum n. var. Holotype. Figs. 6a, 6b, 6c.—Macoma robini n. sp. (a) Holotype; (b) and (c) paratypes. Figs. 7a, 7b, 7c.—Ataxocerithium pyramidale n. sp. (a) Holotype; (b) and (c) paratypes. Figs. 8a, 8b, 8c, 8d.—Ataxocerithium nodicingulatum n. sp. (a) Holotype; (b), (c), and (d) paratypes. Figs. 9a, 9b.—Ataxocerithium suteri Marwick. Petane specimens. Figs. 10a, 10b, 10c.—Uromitra etremoides n. sp. Paratypes. Figs. 11a, 11b, 11c.—Mitra eusulcata n. sp. (a) Holotype; (b) and (c) paratype.