Microcochlis parva n.sp. PI. 12 figs 1-5 Description. Shell minute, relatively high-spired turbiniform, narrowly phaneromphalous. Protoconch simple consisting of one and one eighth smooth whorls with sharp irregular boundary between protoconch and teleoconch. Teleoconch whorl profile arched in early stage and rather straight in late stage, suture shallow, ~ase subangular; first 11;4 whorls with gently prosocline, fme collabral lirae followed by strong collabral cords extended to umbilicus, with cords straight, prosocline, and evenly spaced but becoming gradually wider with growth, omamented by 4 spiral rows of pustules on final whorl between periphery and the upper suture. Aperture subrectangular, inner lip thin, nearly straight, outer lip thin, straight prosocline. [table omitted] [table omitted] Types. Holotype (F78437), 2 figured paratypes (F78438) and 2 unfigured paratypes (F78439). Type locality. Behind 'Kyndalyn' homestead, 10 km south-west of Somerston, NSW (Locality 24). Stratigraphic position. In base of oolitic limestone in the Kyndalyn Mudstone Member of the Merlewood Formation. [table omitted] Geographic distribution. Type locality only. Geological age. Middle or late Visean. .Etymology. Derived from the Latin parvus meaning mmute. Remarks. Microcochlis parva n.sp. differs from Eucochlis umbiliparva n.sp. in having a smaller shell, short blunt protoconch and prominent spiral rows of pustu!es. Figures 1 and 2 ~n Plate 12 are juveniles, showmg an arched whorl profile and only faint expression of spiral cords. The spiral angulation begins to appear at 2~ whorls.

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 pages 88-89, DOI: 10.3853/j.0067-1975.46.1994.18, http://zenodo.org/record/4654599