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nashbettyj at Oct 29, 2020 02:05 PM

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Ambonychia bellistriata, Hall,
Pal. [?] of N.Y. vol. 1 p. 163 pl. 3[?] fig. 4.

Obliquely subovoid, ventricose,
very inequilateral, height much
greater than the length; umbones [?]
very ventricose, and extended into
long and incurved beaks which
bend forward at their extremities;
anterior margin not alated [?], or
extending beyond the beaks; posterior
sides compressed subalate; base regularly
rounded; cardinal line short, very
oblique to the umbones [?], surface
marked by fine radiating striae, with
a few elevated concentric lines of

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