Ovaginella ovulum (Sowerby, 1846)
Diagnosis: Shell small to medium, white or fawn, elliptic; spire immersed; lip moderately thickened, smooth or denticulate; external varix present; siphonal notch and posterior notch absent; columella with four plaits on anterior quarter.
Size: Adults 5.5 – 10 mm in length.
Museum Collection: Capricorn Channel,
rounded than Balanetta baylei,
and with four plaits on the columella.
Synonymy: Marginella cypraeoides Tenison-Woods, 1878; Marginella cypraeformis Tenison-Woods, 1878. Marginella tenisoni Pritchard, 1900 (Hewish in Wilson, 1994).
Remarks: This species varies widely in size and in the dentition inside the outer lip. NSW specimens are usually at the larger end of the size range, always with a smooth lip; in southern Australian specimens the lip may be denticulate or smooth.
Fig. 1: Off North Head, Sydney, in 60-66 metres (C.155348)
Copyright Des Beechey 2003