clade Eupulmonata clade Stylommatophora Sigmurethra is a taxonomic category of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This is an Informal Group which includes the majority of land snails and slugs. The two strong synapomorphies of Sigmurethra are a long pedal gland placed beneath a membrane and retractile te...
Found on
http://en.wikipedia.org/wiki/Sigmurethra
(from the article `gastropod`) ...helicoidal to elongated shells of South America (Strophocheilidae) or southwestern Africa (Dorcasiidae).Order SigmurethraUreter originates near ...
Found on
http://www.britannica.com/eb/a-z/s/93
No exact match found.
