Articulina d’Orbigny 1826

Articulina alticostata Cushman 1944 (Fig. 13:14, 15)

Description. See Cushman (1944, p. 16, pl. 4, figs 10–13).

Distribution within study area. Articulina alticostata Cushman 1944 was only found in Wistari and One Tree Lagoons with one to three specimens collected per site. The highest abundance was recorded at site 20 in Wistari Lagoon from a depth of 3.2 m.