A Review of the North American Freshwater Snail Genus Pyrgulopsis
A Review of the North American Freshwater Snail Genus Pyrgulopsis
A Review of the North American Freshwater Snail Genus Pyrgulopsis
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NUMBER 554 93<br />
FIGURE 36.—Central radular teeth <strong>of</strong> western <strong>Pyrgulopsis</strong>: a, P. hendersoni, USNM 874386 (bar = 27 (un); b,<br />
P. idahoensis, USNM 874698 (bar = 20.0 \im); c, P. intermedia, USNM 874195 (scale as in b); d, P. isolata,<br />
USNM 850366 (scale as in b); e, P. kolobensis, USNM 847249 (bar = 13.6 \m); f, P. longinqm, USNM 874059<br />
(bar = 10.0 \im).
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