Thiara cancellata, (RODING, 1798)
publication ID |
https://doi.org/ 10.1111/j.1096-3642.2010.00687.x |
persistent identifier |
https://treatment.plazi.org/id/039687CF-FFDD-AB7F-FE8B-93E7FBE0DA74 |
treatment provided by |
Valdenar |
scientific name |
Thiara cancellata |
status |
|
THIARA CANCELLATA (RÖDING, 1798) View in CoL
Material examined
Philippines: Bohol Island, Abatan River , 9°45.0′N, 123°55.9′E ( USNM 1143358 About USNM ) GoogleMaps .
Description
Marginal fold S-shaped ( Fig. 17D View Figure 17 ), terminating at posterior tip of sorting area; oesophageal aperture at tip of marginal fold recurved segment; sorting area rectangular, with broadly rounded posterior margin; left margin of sorting area with slight bulge; accessory marginal fold extending from oesophageal aperture, around posterior margin of sorting area, with slight posterior median depression, intersecting short, slightly curving fold posteriorly at left; small, rounded sorting area pad present at left posterior end of sorting area; anterior flap and crescentic pads lacking; glandular pad flattened, flaring posteriorly, with broadly rounded posterior end; broad, paired digestive gland ducts opening at left of glandular pad to deep pocket; crescentic ridge long, emerging from oesophageal aperture, forming short transverse segment above digestive gland duct pocket, turning posteriorly, curving around end of glandular pad; crescentic ridge distal tip curving deeply into caecum, forming broad half loop under pad; caecum extending past midline of pad; paired, textured caecal folds present at right of glandular pad, opposite caecum; very large, triangular, textured accessory pad present at anterior end of glandular pad; U-shaped fold present below style sac aperture at left; typhlosoles fused along entire length.
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