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Laurentiphysa chippuvarum Taylor 2003 - Chippewa Physa; Physa carolinae Wethington, Dillon, Wise 2009 - Carolina Physa; Physa jennessi Dall 1919 - Obtuse Physa; Physa megalochlamys Taylor 1988 - Cloaked Physa; Physa natricina Taylor 1988 - Snake River Physa; Physa sibirica Westerlund 1876 - Frigid Physa; Physa skinneri Taylor 1954 - Glass Physa
Physa is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the subfamily Physinae of the family Physidae. [ 2 ] These snails eat algae , diatoms and detritus.
The Snake River physa snail, scientific name Physella natricina, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae. This species is endemic to Idaho in the United States. The Snake River physa snail Haitia natricina Taylor, 1988 is found in the middle Snake River of southern Idaho.
The observations are restricted to Physa fontinalis, an indigenous species to areas with indigenous predatory leeches, and Haitia acuta, introduced in Germany and the Netherlands. When Physa contacts another snail, either Physa or some other kind, the reaction is a rapid twisting of the shell back and forth to dislodge the other. The muscle ...
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 .
Physa fontinalis, common name the common bladder snail, is a species of air-breathing freshwater snail, an aquatic gastropod mollusc in the family Physidae. The shells of species in the genus Physa are left-handed or sinistral .
Snails in the family Physidae have shells that are sinistral, which means that if the shell is held with the spire pointing up, and the aperture is facing the observer, the aperture is on the left-hand side. The shells of Physella species have a long and large aperture, a pointed spire, and no operculum. The shells are thin and corneous and ...
Bulinus truncatus is a species of air-breathing freshwater snail with a sinistral shell, an aquatic pulmonate gastropod mollusk in the subfamily Bulininae of the family Bulinidae, the ram's horn snails and the like. [3] Subspecies. Bulinus truncatus contortus (Michaud, 1829) (synonym: Physa contorta Michaud, 1829) Bulinus truncatus rivularis ...