Streptacis gundyensis n.sp.

PI. 23 figs 8-13

Description. Shell minute, high-spired, anomphalous. Protoconch of IV! whorls, deviated. Teleoconch of 5 to 6 smooth, moderately convex whorls, with faint growth lines. Aperture circular to oval, lips thin, no columellar fold.

Dimensions. H W NW Holotype (F78522) 2.5 mm 0.9 mm 7 Paratypes (F78528 a) 2.1 0.8 6 (F78528 b)2.7 1.0 8 (F78531) 1.4 0.7 5

Types. Holotype (F78522) and 3 figured paratypes (F78528, 78531).

Type locality. 150 m west of 'Marohn' homestead, 4 km south-west of Gundy, NSW (Locality 28).

Stratigraphic position. In bioclastic limestone, upper part of the Dangarfield Formation.

Geographic distribution. Type locality only.

Geological age. Late Tournaisian.

Etymology. Referring to the township of Gundy, New South Wales.

Remarks. This species is similar to Kimina sp., in having smooth convex whorls with deviated protoconch, but Kimina sp. has a moderate umbilicus and more convex whorls with opisthocline growth lines.