Bursa (gastropod)


Bursa is a genus of large sea snails, marine gastropod molluscs in the family Bursidae, the frog snails or frog shells.

Description

The ovate or oblong shell is compressed, and shows two rows of continuous varices, one on each side. The aperture is ova. The columella is arcuated, and ridged or crenulated. The siphonal canal is short and recurved. The outer lip is crenated.
The species of Bursa are mostly tropical, the majority being from the Eastern seas. They are found, when variegated and with nodose armature, in rocky places and on coral reefs. The winged species, with a smoother surface, are from deep water. They move about with considerable animation, and crawl rapidly.

Recognized species

Species within the genus Bursa include:Bursa asperrima Dunker, 1862Bursa bufonia Bursa calcipicta Dall, 1908Bursa davidboschi Beu, 1987 Bursa grayana Dunker, 1862 - elegant frogsnailBursa humilis Beu, 1981 Bursa lamarckii Bursa leo Shikama, 1964Bursa luteostoma W. H. Pease, 1861 Bursa natalensis Matthews & Coelho, 1970

Species brought into synonymy

Bursa affinis : synonym of Dulcerana affinis Bursa alfredensis Turton, 1932: synonym of Dulcerana alfredensis Bursa angioyorum Parth, 1990: synonym of Bursa lamarckii Bursa awatii Ray, 1949 : synonym of Korrigania awatii Bursa barcellosi Matthews, Rios & Coelho, 1973: synonym of Ranella olearium Bursa bergeri C. E. Tapparone-Canefri, 1880 : synonym of Bursa rhodostoma Bursa bubo Linnaeus: synonym of Tutufa bubo represented as Tutufa bubo Bursa bubo lissostoma E. A. Smith, 1914: synonym of Tutufa bubo represented as Tutufa bubo Bursa bufonia dunkeri Kira, 1959 : synonym of Bursa bufonia Kira, 1959 Bursa bufo : spelling of Bursa bubo in Spry 1961