Strobeus ovalis n.sp.
PI. 18 figs 8-12
Description. Shell very small, globular fusiform, moderately thick, anompha10us. Protoconch of small with simple, smooth whorls. Teleoconch of about 3Y2 whorls. First 2 whorls of the shell small, with other whorls markedly inflated, forming a shoulder on the upper part of the third whorl; whorl profile between sutures round in early whorls and rather straight in later whorls, suture shallow, not impressed. Aperture suboval; columellar lip moderately thickened, with a strong fold at the lower end of the columellar, fold obscured by columellar lip in some specimens; anterior siphonal canal broadly rounded.
| Dimensions. H | W | PA | NW |
|---|---|---|---|
| Holotype (F7850l) 1.9 mm | 1.4 mm | 68° | 4 |
| Paratype (F78498)1.7 | 1.4 | 74 | 4 |
| Figured specimens | |||
| (F78500 a)3.0 | 1.5 | 70 | 4 |
| (F78500 b)1.9 | 1.4 | 70 | 4Y2 |
| (F78500 c)2.6 | 1.9 | TODO | 4 |
| Dimensions. H | W | PA | NW |
|---|---|---|---|
| Figured specimens | |||
| (F78504) 6.5 mm | 4.4 mm | 60° | 6Y2 |
| (F78505)3.8 | 2.6 | 65 | 6 |
Types. Holotype (F78501) and 1 figured paratype (F78498). There are 10 unfigured additional specimens (F78499) from the type locality.
Type locality. 150 m west of 'Marohn' homestead, on the Scone-Gundy roadside, 4 km south-west of Gundy, NSW (Locality 28).
Additional material. 3 figured specimens (F78500) from Glenbawn (Locality 30).
Geographic distribution. Glenbawn area.
Geological age. Late Toumaisian.
Etymology. Derived from the Latin ovatus meaning like an egg.