I'm finding contradictory information about Strigilla congeners.

For instance in Warmke & Abbott (1962), Plate 29 shows Strigilla carnaria's pallial sinus joining the anterior muscle scar and S. rombergi (now pseudocarnaria my note says) has a pallial sinus dropping to the ventral margin well before the anterior scar.

However, Mikkelsen & Bieler (2008, p. 327) shows the pallial sinus of S. carnaria dropping before reaching the anterior scar. S. pseudocarnaria is not addressed.

I've got a 19mm Strigilla valve with the pallial sinus reaching the anterior scar from Jamaica. Have I at least narrowed down the candidates?

David Kirsh
Durham, NC

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