| 11. | The dorsal half is ochreous-whitish, mainly occupied by three subquadrate dark grey blotches.
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| 12. | There are two subquadrate black spots in the cell and three more irregularly shaped towards the base.
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| 13. | Shell evolute, expanding fairly rapidly; umbilicus open, perforate; whorl section ovoid to subquadrate.
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| 14. | The prosoma ( head ) is subquadrate, with compound eyes located at the edge of the front corners.
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| 15. | A fuscous subquadrate patch occupies the median third and extends from the dorsum three-fourths across the wing.
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| 16. | The pygidium is subquadrate, has a flat border, that is sometimes posteriorly widened and has a weak bifurcation.
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| 17. | The forewings are white, with four subquadrate fuscous spots edged with black on the anterior half of the costa.
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| 18. | This is a small red species, with two rounded ridges on the body whorl and with a subquadrate aperture.
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| 19. | Shells are evolute, tuberculate and ribbed, with subquadrate to squarish whorl section wherein tubercles typically dominate over ribs.
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| 20. | There is a large subquadrate brown spot at the end of the cell, preceded by a roundish flattened one.
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