Bathymargarites symplector Warén & Bouchet, 1989. Family Trochidae (Warén & Bouchet, 2001). ChEss logo

Bathymargarites symplectorBathymargarites symplector undersideBathymargarites symplector SEM
See also Warén & Bouchet, 1993 for details of the larval shell.
Larva also pictured in Desbruyères et al. (2006) p. 101.

Size under dissecting microscope: ~350µm
Size under compound microscope: ~320µm
The shell consists of two parts, a proximal smooth portion approximately 200μm in diameter and a distal portion with axial striations. The aperture is curved, flares out at the anterior edge and is asymmetrical, extending farther out on the apical side than on the basal side.
Pump EPR 1999-2000: Rare
Pump EPR 2004: Rare
Trap EPR 2004-2005: Frequent

Can be confused with

Bathymargarites' larval shell is unique among the species at 9°N and is therefore not likely to be confused with any other species. It has a superficial similarity to Melanodrymia aurantiaca, shown at left, but the latter is much smaller (~260μm) and has reticulate sculpture over the entire shell.

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