Species
- Bulla ampulla Linnaeus, 1758 Pacific bulla, ampulle bulla
- Distribution : on sandy sublittoral bottoms of warmer seas, tropical Indo-Pacific, Sri Lanka, Philippines
- Length : 60 mm (largest shell of the Cephalaspidea)
- Description : This is the common Bulla in tropical Indo-Pacific; globose, inflated, moderately solid body whorl. The white aperture is as long as the rest of the shell.The rounded outer lip is extended posteriorly beyond the apex. Columella in a reversed ‘S’-shape, smooth and thinly callous. Cream-colored with blotches of dark, purple-brown.
- Bulla arabica Malaquias & Reid, 2008
- Bulla bermudae Verrill and Bush, 1900
- Distribution : Bermudas
- Length : 3 mm
- Bulla clausa Dall, 1889 imperforate bubble
- Distribution : Florida
- Length : 12 mm
- Bulla eburnea Dall, 1881
- Distribution : America, North Carolina, Georgia, Florida
- Length : 7 mm
- Description : found at depths up to 620 m
- Bulla gouldiana Pilsbry, 1895 California bubble, Gould’s bubble, cloudy bubble
- Distribution : Northwest America, California to Ecuador
- Length : 30-64 mm
- Description: semi-transparent head, mantle and foot are yellowish-brown with mottled pale-bluish dots; reddish to brown involute (= sunken) apex; the aperture is wide anteriorly, narrow posteriorly; their egg mass is yellow to orange tangled string of jelly, containing oval capsules. Each one contains up to 25 eggs, which develop into veliger larvae.
- Bulla indolens Dall, 1927
- Distribution : Georgia
- Length : 7.5 mm
- Description : found at depths up to 800 m
- Bulla japonica T. Habe, 1976
- Distribution : Japan
- Bulla krebsii Dall, 1889
- Distribution : Guadeloupe
- Length : 8 mm
- Description : found at depths up to 1400 m
- Bulla mabillei E. A. A. Locard, 1896 Mabille’s bubble
- Distribution : Turkey, Canaries, Madeira, Cape Verde, West Africa
- Length : 33-52 mm
- Description : larger than the other European species; difficult to obtain; color : yellowish-brown with dark bluish dots
- Bulla morgana Dall, 1908
- Distribution : West America
- Bulla occidentalis A. Adams, 1850 (synonym of Bulla striata) common West Indian bubble
- Distribution : Brazil, North Carolina to Florida, Bahamas, Caribbean.
- Length : 25 mm
- Description : thin, rotund, oval shell with a smooth, glazed surface; pale color with brown spots; involute (= sunken) apex; large body whorl; long aperture, wide anteriorly; white columella.
- Bulla orientalis T. Habe, 1941
- Distribution : Indo Pacific
- Description : brown punctuate marks on the shell
- Bulla peasiana Pilsbry, 1895
- Bulla pinguicula Seguenza, 1879
- Distribution : Mediterranean, Florida, Caribbean, Azores, Mexico
- Length : 12.8 mm
- Description : found at depths up to 1170 m
- Bulla punctulata A. Adams In Sowerby, 1850
- Distribution : Pacific, California, Mexico, Peru
- Length : 30 mm
- Description : the shell looks like the one of Bulla ampula, but is smaller and more cylindrical. Its color is cream, with clouding of brown or gray in two to four spiral bands, generally spotted with squarish chocolate dots, bordered to the right by white spots.
- Bulla quoyii Gray in Dieffenbach, 1843 brown bubble shell
- Distribution : Southern Australia, northern New Zealand.
- Length : 44 mm-60 mm
- Description :The calcified shell has a gray-brown color, with blotches of various shades of brown; the snail has a bright honey-golden color. The hind extremities of the headshield have evolved into tentacles, directing the water over Hancock’s organ. The egg-mass is a jelly-like sphere, with the eggs in a spiral string. After the breeding period, there occurs a mass mortality of the animals, just like the sea hares.
- Bulla solida Gmelin, 1791 solid bubble
- Distribution : Mexico, Florida, Texas, Cuba, Colombia.
- Length : 30-52 mm
- Description : found at depths up to 25 m
- Bulla striata Bruguière, 1792 common Atlantic bubble, striate bubble
- Distribution : Mediterranean, Morocco, Canaries, Azores, Atlantic Ocean, Florida
- Length : 12-30 mm
- Description : The shell is thin, delicate and rather narrow. The body whorl is oval and convex. The smooth elongated aperture narrows posteriorly, but is wide anteriorly. The columellar callus is rather small; The thin outer lip is incurved and extends a little beyond the apex; The color is brown-gray, with darker, smudged dots and dashes, spread unevenly over the surface. The surface is smooth, with some spiral grooves at the posterior end ans at the apical umbilicus. There is no operculum. The foot is well developed. There are no parapodia (fleshy winglike outgrowths). The broadened head has no tentacles. The gills and the osphradium are inside the mantle cavity. The radula has three laterals on each side of the central tooth.
- Bulla vernicosa Gould, 1859 (most probably a color variant of Bulla ampulla)
- Distribution : Indo Pacific, Thailand, Indonesia, Philippines, Taiwan, Tonga
- Length : 27-50 mm
- Description : white-colored shell with lightbrown spots
- Species brought into synonymy
- Bulla abyssicola Dall, 1881 (junior synonym of Bulla pinguicula)
- Bulla adansoni Philippi, 1847 : synonym of Bulla striata Bruguière, 1792
- Distribution : West Africa, Gabon, Cape Verde
- Length : 15 mm
- Bulla amygdala Dillwyn, 1817 : synonym of Bulla striata
- Distribution : Canaries, East Atlantic, Mediterranean, Florida, Brazil
- Length : 40 mm
- Bulla angasi Pilsbry, 1893 : synonym of Bulla mabillei Locard, 1897
- Distribution : Australia
- Length : 25 mm
- Description : smooth, sturdy, cylindrical shell; color : dark brown
- Bulla biplicata A. Adams, 1850 (synonym of Acteocina bidentata (d'Orbigny, 1841))
- Distribution : Japan, New Jersey, North Carolina, Florida, Caribbean, Brazil, Uruguay
- Length : 4 mm
- Bulla bizona A. Adams, 1850: synonym of Mnestia bizona (A. Adams, 1850)
- Bulla botanica Ch. Hedley, 1918 Australian true bubble, common true bubble : syno,nym of Bulla quoyii Gray, 1843
- Distribution : Australia
- Length : 32-55 mm
- Bulla concentrica A. Adams, 1850: synonym of Pyrunculus concentricus (A. Adams, 1850)
- Bulla cruentata A. Adams, 1850 shiny bubble : synonym of Bulla mabillei Locard, 1897
- Distribution : Indian Ocean
- Bulla decussata A. Adams, 1850: synonym of Pyrunculus decussatus (A. Adams, 1850)
- Bulla difficilis T. Habe, 1950 : synonym of Bulla vernicosa Gould, 1859
- Distribution ; Japan
- Bulla gemma A. E. Verrill, 1880 jewel bubble : synonym of Roxania semilaevis (Seguenza, 1880)
- Distribution : New York
- Length : 4.2 mm
- Bulla mammillata Philippi, 1836: synonym of Retusa mammillata (Philippi, 1836)
- Bulla marmorata A. Adams, 1850: synonym of Mnestia marmorata (A. Adams, 1850)
- Bulla nebulosa Gould in Adams, 1850 : synonym of Bulla gouldiana Pilsbry, 1895
- Distribution : Atlantic
- Bulla rufolabris A. Adams in Sowerby, 1850 : synonym of Bulla punctulata A. Adams, 1850
- Distribution : West America, Galapagos
- Length : 10-15 mm
- Bulla sulcata d’Orbigny, 1841: synonym of Retusa sulcata (d’Orbigny, 1841)
- Bulla umbilicata Röding, 1798 : synonym of Bulla occidentalis A. Adams, 1850
- Distribution : Caribbean
- Length : 17 mm
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