Patella alveusConrad, 1831a, p. 267-268, pl. 11, fig. 20 [Basis of the current name] Type Locality: Massachusetts Range: 53.5°N to 40.9°N; 73.4°W to 57°W Depth: 0 m Maximum Reported Size: 13 mm Distribution: Canada: Labrador; USA: Maine, Massachusetts, Connecticut, New York References: Smith & Prime (1870) SW; Carlton et al. (1991) NEM Comments: Extinct in Western Atlantic fide Carlton et al. (1991). Combining Genera: Collisella Patelloida Patelloidea Tectura
Acmaea scutum parallelaDall, 1921a, p. 169, [Dall 1871, pl. 14, fig. 13] [Synonym] Type Locality: Sitka, Alaska to Victoria, British Columbia References: Christaens (1975b) s Comments: Nude name in Dall (1914: 14).
Partial List of References
Conrad, T. A. 1831. Description of fifteen new species of Recent, and three of fossil shells, chiefly from the coast of the United States Journal of the Academy of Natural Sciences of Philadelphia 6 256-268, pl. 11. [Stated date: -- Mar 1831; true date: -- Apr 1831.] Dall, W. H. 1921. Summary of the marine shellbearing mollusks of the northwest coast of America, from San Diego, California, to the Polar Sea, mostly contained in the collection of the United States National Museum, with illustrations of hitherto unfigure species Bulletin of the United States National Museum 112 i-iii, 1-217, pls. 1-22. [True date: 24 Feb 1921.]