Shrub snails

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Shrub snails
Nabeled shrub snail (Fruticicola fruticum)

Nabeled shrub snail ( Fruticicola fruticum )

Systematics
Subclass : Orthogastropoda
Superordinate : Heterobranchia
Order : Lung snails (pulmonata)
Subordination : Land snails (Stylommatophora)
Superfamily : Helicoidea
Family : Shrub snails
Scientific name
Bradybaenidae
Pilsbry , 1934

The shrub snails ( Bradybaenidae) are a family from the suborder of the land snails (Stylommatophora). There is only one type of family in Europe.

features

The housings are relatively large and usually rolled up in a spherical shape, less often lenticular or tower-shaped. The embryonic convolutions are smooth, slightly folded radially or provided with small pustules. The winding sections of the juvenile and adult housing usually have clear spiral pits that are rarely weak or even absent. Hair can also be formed on this section of the housing. The sole of the foot is smooth. The animals only have a single love arrow , with the exception of a single genus that has two love arrows. However, in some species the love arrows are completely missing.

Occurrence and distribution

The family of the shrub snail is found mainly in Central and East Asia. It penetrates into the tropical zones. Only one species is native to Western Asia and Europe.

Systematics

The family was revised by Schileyko in 2004; the following system follows this work.

Phylogeny

The systematic position of the family in the Helicoidea system has not yet been conclusively clarified. In the cladogram by Steinke, Albrecht & Pfenninger (2004), the Bradybaenidae are the sister group of a monophylum consisting of Helicidae and Hygromiidae.



  Hygromiidae  




 Helicellinae 


   

 Cochlicella / Sphincterochila 





   

 Hygromiinae 



  Helicidae  


 Helicinae 


   

 Ariantinae 



   

 Helicodontidae 




   

 Bradybaenidae 



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In the cladogram by Koene & Schulenburg (2005), however, the Bradybaenidae are the sister group of a monophylum consisting of Helicidae and Helminthoglyptidae. The Hygromiidae, on the other hand, form the outer group of Bradybaenidae, Helicidae and Helminthoglyptidae.






 Helicidae 


   

 Helminthoglyptidae 



   

 Bradybaenidae 



   

 Hygromiidae 




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literature

  • Rosina Fechter and Gerhard Falkner: molluscs . (Steinbach Naturführer 10), 287 p.,
  • Jürgen H. Jungbluth and Dietrich von Knore: Trivial names of land and freshwater mollusks in Germany (Gastropoda et Bivalvia). Mollusca, 26 (1): 105-156, Dresden 2008 ISSN  1864-5127 PDF
  • Joris M. Koene and Hinrich Schulenburg: Shooting darts: co-evolution and counter-adaptation in hermaphroditic snails. BMC Evolutionary Biology, 5:25, 13 pages, 2005 doi : 10.1186 / 1471-2148-5-25
  • Anatolij A. Schileyko: Treatise on Recent terrestrial pulmonate molluscs, Part 12 Bradybaenidae, Monadeniidae, Xanthonychidae, Epiphragmophoridae, Helminthoglyptidae, Elonidae, Humboldtianidae, Sphincterochilidae, Cochlicellidae. Ruthenica, Supplement 2 (12): 1627-1763, Moscow 2005 ISSN  0136-0027
  • Dirk Steinke, Christian Albrecht and Markus Pfenninger: Molecular phylogeny and character evolution in the Western Palaearctic Helicidae sl (Gastropoda: Stylommatophora). Molecular Phylogenetics and Evolution, 32: 724-734, San Diego 2004 doi : 10.1016 / j.ympev.2004.03.004 .

Web links

Commons : Bradybaenidae  - Collection of images, videos, and audio files