Turbonitella sp. PI. 15 figs 1-2 Description. Shell very small, turbiniform, anomphalous. Protoconch of about 11A smooth whorls, apex bulbous. Teleoconch of about 21h whorls; shell profile strong convex, suture shallow, whorl embracing much of previous whorl, a row of nodes between suture and collar-like adpressed zone, continues to a row of collabrally lengthened pustules at upper face of whorl. Aperture convex, lenticular in shape, columellar and inner lips thickened with strongly excavated, outer lip thin. [table omitted] Stratigraphic position. In bioclastic limestone, 130 m above the base of the Namoi Formation. Material. 7 specimens from south-east of 'Rangari' (Locality 18), 3 from Swains Gully (Locality 25), 2 from 'Marohn' (Locality 28) and 1 from Glenbawn (Locality 29). Geographic distribution. 'Rangari' to Glenbawn. Geological age. Middle to late Tournaisian. Remarks. The figured specimens resemble the holotype Turbonitella biserialis(Phillips) designated by Knight (1941) in being a turbiniform with strong collabral ribs on shoulder, but differs in lacking a row of ribs on the lower whorl face.

Published as part of Yoo, E. K., 1994, Early Carboniferous Gastropoda from the Tamworth Belt, New South Wales, Australia, pp. 63-120 in Records of the Australian Museum 46 (1) on page 83, DOI: 10.3853/j.0067-1975.46.1994.18, http://zenodo.org/record/4654599

{"references": ["Knight, J. B., 1941. Paleozoic gastropod genotypes. Geological Society of America, Special papers 32, 510 pp. 32 figs, 96 pIs."]}