Tylomelania palicolarum, (SARASIN & SARASIN, 1897)
publication ID |
https://doi.org/ 10.1111/j.1096-3642.2010.00687.x |
persistent identifier |
https://treatment.plazi.org/id/039687CF-FFD7-AB7A-FC42-9296FE3BD8A6 |
treatment provided by |
Valdenar |
scientific name |
Tylomelania palicolarum |
status |
|
TYLOMELANIA PALICOLARUM (SARASIN & SARASIN, 1897) View in CoL
Material examined
Sulawesi: Lake Mahalona (MNHN) .
Description
Marginal fold S-shaped ( Fig. 14D View Figure 14 ), terminating at posterior tip of sorting area; oesophageal aperture at tip of marginal fold recurved segment; sorting area highly curving, broad anteriorly, tapering rapidly to pointed tip; left margin of sorting area even, lacking conspicuous bulge; paired crescent-shaped pads bordering left margin of sorting area; inner crescentic pad broad, flattened, with thick, rounded transverse ridges across surface; outer crescentic pad broad, flattened, with thin, faint transverse striae along inner and outer margins; accessory marginal fold extending posteriorly from tip of outer crescentic pad along left side of gastric chamber roof; sorting area pad lacking; proximal glandular pad long, tall, broad, tapering, extending far posterior to gastric shield; distal glandular pad turning sharply towards right, continuing anteriorly adjacent to proximal glandular pad, to shallow depression behind gastric shield; single digestive gland duct opening at left of glandular pad; crescentic ridge (cr) long, extending from digestive gland duct, curving in broad arc around glandular pad, separated by broad, shallow crescentic groove, joining distal tip of glandular pad behind gastric shield; accessory pads, caecum, and caecal folds lacking; U-shaped fold present below style sac aperture; typhlosoles unfused.
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