Bellerophon (Bellerophon) kyndalynensis, 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 : 71

Bellerophon (Bellerophon) kyndalynensis n.sp.

PI. 1 figs 9-12

Description. Shell minute, subglobular, isostrophic, anomphalous. Protoconch concealed, seemingly minute, planispiral. Teleoconch with whorls moderately involute and with maximum diameter of whorl less than the height of spire; ornament consisting of regularly interspaced and curved transverse costae and wide selenizone marked by curved transverse lunulae, almost the same number as transverse costae. Aperture broadly crescentic with lips without flare anteriorly or laterally, but flaring somewhat backward in the umbilical region; parietal inductura covering a quarter of the last whorl with thickening in the umbilical region.

Types. Holotype ( F78348 ) and 2 figured paratypes ( F78349 ). There are 22 unfigured additional specimens ( F78350 ) from the type locality.

Type locality. Behind 'Kyndalyn' homestead, 10 km south-west of Somerton, NSW (Locality 24).

Stratigraphic position. Base of oolitic limestone in the Kyndalyn Mudstone Member of the Merlewood Formation.

Geographic distribution. Type locality only.

Geological age. Middle or late Visean.

Etymology. Referring to the geographical name of 'Kyndalyn' homestead, Somerton, NSW.

Remarks. This species resembles Belierophon (Belierophon) swainsensisn.sp. in ornament, but differs in having a much smaller shell with wider selenizone.