Semisulcospira libertina, (GOULD, 1859)

Strong, Ellen E., 2011, More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda), Zoological Journal of the Linnean Society 162 (3), pp. 585-630 : 612

publication ID

https://doi.org/ 10.1111/j.1096-3642.2010.00687.x

persistent identifier

https://treatment.plazi.org/id/039687CF-FFDB-AB79-FF55-953AFDB6DF77

treatment provided by

Valdenar

scientific name

Semisulcospira libertina
status

 

SEMISULCOSPIRA LIBERTINA (GOULD, 1859) View in CoL

Material examined

Japan: Shizuoka Prefecture: Inozawa River ( ZMB 102.184 View Materials ) .

Description

Marginal fold S-shaped ( Fig. 16B View Figure 16 ), terminating at posterior tip of sorting area; oesophageal aperture at tip of marginal fold recurved segment; sorting area elongately triangular, with curving, pointed posterior tip; left margin of sorting area straight; accessory marginal fold curving and bifurcating slightly around left, posterior margin of sorting area; small, wedgeshaped sorting area pad present at left posterior end of sorting area; anterior flap and crescentic pads lacking; glandular pad rather small, flaring posteriorly with broadly rounded posterior end; paired digestive gland ducts opening at left of glandular pad; crescentic ridge long, extending from near oesophageal aperture, curving around posterior end of glandular pad, fusing to side of pad well behind gastric shield above shallow caecum; single, elongate caecal fold opposite posterior glandular pad at right; accessory pads lacking; U-shaped fold present below stylesac aperture; typhlosoles unfused.

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