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Dentimargo gabrieli (May, 1911) Diagnosis: Shell small, white, occasionally with pale fawn bands, biconic; spire medium height; aperture moderately broad; lip thickened, smooth internally; external varix present; siphonal notch absent; posterior notch absent; columella with four strong plaits occupying more than half the aperture. Size: Adults 4 mm in length. Distribution: Comparison: This
is this smallest member in this genus in NSW.
Mesoginella sinapi is
similar but smaller. Synonymy: Marginella parsobrina Laseron, 1948 (NEW SYNONYM) is based on a specimen of this species. Remarks: Figs. 1a and 1b are shells of typical shape for the species. Fig. 2 shows a more elongate shell from off Brush Island, NSW, in 165 metres, which may be this species. Such elongate shells are known uncommonly from central NSW, in depths of 150-200 metres. Fig. 1a: Sussex Inlet, NSW, in 9 m (C.022451) Fig. 1b: Paratype. Off Cape Pillar, Tasmania, in 100 fathoms (183 m) (C.028950) Fig. 2: Off Brush Island, NSW, in 150-200 m (C.316074)
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