Ceraunocochlis tenuis, Yoo, 1994

Yoo, E. K., 1994, Early Carboniferous Gastropoda from the Tamworth Belt, New South Wales, Australia, Records of the Australian Museum 46 (1), pp. 63-120 : 86

Ceraunocochlis tenuis n.sp.

PI. l7 figs 11-13

Description. Shell very small, high-spired with many whorls, thin, anomphalous. Protoconch of about 1Y2 smooth whorls, flattened top with strongly arched whorl profile; the transition from protoconch to teleoconch sharp and gently sinuated. Teleoconch of 7Y2 smooth whorls, whorl profile arched, suture moderately deep, deeper in neanic stage; length of whorl gradually increased with growth. Aperture D-shaped; inner lip almost straight, broad anterior notch, columellar fold obscured, parietal inductura thin; outer lip straight, strong prosocline; base pointed.

Dimensions. Holotype ( F78494 ): H 2.3 mm, W 0.5 mm, NW 9 .

Types. Holotype ( F78494 ) and 1 paratype (broken).

Type locality. 150 m west of 'Marohn' homestead, on the Scone-Gundy roadside, 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. Derived from the Latin tenuis meaning thin, slender; referring to its slender shell shape.