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Physella acuta is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. Common names include European physa , tadpole snail , bladder snail , and acute bladder snail .
Physella heterostropha halei of the Central and Southern USA, about 1 cm long. The sinistral shell of Physella acuta. Physidae, commonly called the bladder snails, is a family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the superfamily Lymnaeoidea. [3] [4]
Physella is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae. These snails eat algae , diatoms and other detritus .
Location of Botswana. Botswana molluscs [1] are represented by 63 native species (13 bivalves, 24 freshwater snails, 24 land snails and two slugs) and by four introduced species: Cornu aspersum, Lissachatina fulica, Physella acuta and Radix auricularia, which are potentially invasive and of economic concern.
Physa carolinae Wethington, Wise & Dillon, 2009: [7] synonym of Physella carolinae (Wethington, Wise & Dillon, 2009) Physa concolor Haldeman, 1841: synonym of Physella gyrina (Say, 1821) Physa columbiana (Hemphill, 1890) is a synonym for Physella columbiana (Hemphill, 1890) Physa gyrina (Say, 1821) is a synonym for Physella gyrina (Say, 1821)
Physella magnalacustris Walker 1901 - Great Lakes Physa; Physella mexicana Phillippi 1841 - Polished Physa; Physella microstriata — Fish Lake physaChamberlain and Berry 1930; U.S. endemic/extinct; Physella natricina — Snake River physa snail; Physella osculans Haldeman 1841 - Cayuse Physa; Physella parkeri Currier 1881 - Broadshoulder Physa
Physella acuta Draparnaud, 1805 - non-indigenous [1] ... "The shell-bearing land-snails of Malta". Mdina, Malta, Friends of the National Museum of Natural History, iv ...
An apertural view of a shell of the small, air-breathing, freshwater snail Physella acuta in the family Physidae. This an example of a sinistral or left-handed shell, which means that if the shell is held with the aperture facing the observer, and the spire pointing up, then the aperture is on the left-hand side. In this genus the aperture is ...