Megapallifera ragsdalei (Webb, 1950)
Megapallifera wetherbyi.
External: Whitish to gray body with black speckles; black chevrons extend across dorsum, with a gray longitudinal mid-dorsal band in the middle (Webb 1950; Fairbanks 1990).
Internal: Penis containing 7-9 pustulose longitudinal pilasters that extend between the apical chamber and base; atrium with white glandular tissue around its lower section; two lobes, each with 4-5 sublobes, inside upper atrium (Fairbanks 1990).
Similar to M. wetherbyi, but penis, penis apical chamber lengths, and vas deferens longer in M. wetherbyi, and atrial lobes different (Fairbanks 1990).
Missouri, Arkansas, W Oklahoma (Hubricht 1985).
Sandstone outcrops, cliffs; found in rock crevices, in the mouths of caves, and sometimes on smooth-barked trees (Webb 1950; Hubricht 1985; Fairbanks 1990).
Feeds on lichens (Webb 1950).