> as lemmas

1865 Proc. Acad. Nat. Sci. Philadelphia 249 The valves are cuneate postero-dorsally, and antero-ventrally.

1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) ii. 39 The mantle-edges separate only at certain points—(1) antero-ventrally, where the foot may be protruded; (2) posteriorly, where they enclose two openings like figure 8; the lower opening being that by which water is sucked in (inhalent aperture), the upper that by which it is expelled (exhalent).

2002 P. Herring Biol. Deep Ocean viii. 179 The deep-sea ostracod Macrocypridina has an eye of this type containing 27 separate ommatidia, with cones of different sizes. The largest ones have the smallest acceptance angles and look anteroventrally.