Prophysaon vanattae Pilsbry, 1948
Vancouver Id; Cascade Mts of British Columbia and NW Oregon (Forsyth 2004).
Vancouver Id; Cascade Mts of British Columbia and NW Oregon (Forsyth 2004).
External: Color variable: whitish-buff, bluish-gray, or red on the back and gray-buff at the sides; body with a conspicuous black band on each side of the body laterally behind mantle, enclosing a lighter wedge-shaped dorsal area, which encloses a wedge shaped darker median stripe (sometimes faint); mantle colored buff or red with two curved lateral black bands (sometimes obsolete) above breathing hole, and scattered black markings; most specimens do not show the oblique constriction on the tail; head may extend to some distance past mantle; mantle is long; sole usually cream colored. Pilsbry (1948:699, fig. 380e) described a specimen of this species that has black mottling on the entire body and lacks the lateral side bands.
Internal: Epiphallus tapers; epiphallus contains two longitudinal ridges (Pilsbry 1948).
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25 to 50 mm long.
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Common in many forest habitats from the east slope of the crest of Cascade Range and west; occurs at elevations ranging from near sea-level to at least 1220 m; most commonly found on or under woody debris; also common on skunk cabbage leaves in spring and on shrubs up to 1 m above ground.
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