Dainty poppy snail
| Dainty poppy snail | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dainty poppy snail |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Anisus vorticulus | ||||||||||||
| Troschel , 1834 |
The petite pan snail ( Anisus vorticulus ) is a small water lung snail (Basommatophora) from the family of pan snails (Planorbidae). In 2011, she was voted Mollusk of the Year in Germany.
features
The case is only 0.7 to 0.8 mm high and up to 5 mm in diameter. It has 5 to 5.5 whorls, which are convex on the top and bottom. A blunt edge is formed in the middle of the last passage. The top of the case is slightly dented, the bottom is almost flat. The animals are about 1 year old.
Habitat and Distribution
The petite cuspidor snail lives in clear, stagnant waters on plants, preferably in small ponds that are covered with duckweed ( Lemna ). It occurs from Western to Eastern Europe. It is missing in Scandinavia.
Similar species
The sharp cuspidor snail ( Anisus vortex ) is slightly larger and has a sharper keel.
Danger
The petite cupped snail ( Anisus vorticulus ) is threatened with extinction in Germany and Switzerland. In Austria it is classified as critically endangered.
Systematics
The delicate pan snail is also included in the subgenus Anisus (Disculifer) CR Boettger, 1944, together with the sharp pan snail .
literature
- Peter Glöer: The animal world of Germany. Mollusca I Freshwater gastropods of Northern and Central Europe Key to identification, way of life, distribution. 2. rework. Edition. ConchBooks, Hackenheim 2002, p. 327, ISBN 3-925919-60-0 .
- Ewald Frömming: Biology of the Central European freshwater snails. Duncker & Humblot, Berlin 1956 p. 313.
Individual evidence
Web links
- MollBase
- Biopix
- Fauna Europaea
- Anisus vorticulus inthe IUCN 2013 Red List of Threatened Species . Posted by: Van Damme, D., 2012. Retrieved February 13, 2014.
Bellied diaper snail (2003) | Common boat snail (2004) | Tiger Snails (2005) | Common river mussel (2006) | Mask Snail (2007) | Mouse ears (2008) | Husmann's Well Snail (2009) | Common door snail (2010) | Petite poppy snail (2011) | Slender Amber Snail (2012) | European oyster (2013) | Garlic Shiny Snail (2014) | Mantle snail (2015) | Big pea clam (2016) | Beautiful land snail (2017) | Neptune Snail (2018) | Common heather snail (2019)
