n.1.(Zool.) Any species of marine bivalve shells of the genus Saxicava. Some of the species are noted for their power of boring holes in limestone and similar rocks.
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1983; Owen & paupercula * paupercula Forbes 1997 Eumarcia Pitaria Millard & Broekhuysen 1970 paupercula * kochii Hiatellidae Hiatella Saxicava Day et al.
Deposits were classified, as in other reports of his, as i) M1--till, moraines, and erratics; ii) M2--ice-contact kames and proglacial and postglacial river terraces, marine Leda Clay and Saxicava Sand, the latter found in thicknesses up to ~200 feet (61 m); or iii) M3--recent 'alluvions' and lake sediments, and beach and saltmarsh deposits.