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Names and sources

Name Source
Helix extrema Westerlund, 1898
  • GBIF Backbone Taxonomy heterotypic synonym
Published in:Westerlund, C. A. (1898). Novum specilegium malacologicum. Neue Binnenconchylien aus der paläarktischen Region. Annuaire Du Musée Zoologique De l’Académie Impériale Des Sciences De St.-Pétersbourg, 3 (2): 155–183. St.–Petersburg [December]. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=298653

Classification

kingdom
Animalia
phylum
Mollusca
class
Gastropoda
order
Stylommatophora
family
Valloniidae
genus
Vallonia
species
Helix extrema
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Genbank

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