Rhynchopelta concentrica McLean, 1989. Family Peltospiridae. ChEss logo OBIS species link

Rhynchopelta concentricaRhynchopelta concentrica apertureRhynchopelta concentrica top view
See also:
Protoconch SEM Fig. 3 Mullineaux et al. (1996)
Larval photograph in Desbruyeres et al. (2006) p. 119

Size under dissecting microscope: 290µm
Size under compound microscope: 280µm
This is one of the few easily identified peltospirids. It is a large protoconch with strong lineation extending about 2/3 of the way to the aperture. Like most peltospirids, the aperture is straight viewed from the side and flares out to the sides when viewed from from the top, as in the third photo above. There is also an abrupt ridge on either side of the base near the axis of coiling. The shell is transparent and robust; they are seldom found damaged.
Pump EPR 1999-2000: Frequent
Pump EPR 2004: Frequent
Trap EPR 2004-2005: Frequent

Can be confused with

Ctenopelta porifera
Rhynchopelta is unlikely to be confused with any other protoconch. The only other peltospirid protoconch close to it in size, Ctenopelta porifera (pictured at left), is quite different morphologically.

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