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Myosotella myosotis

Myosotella myosotis, common name the mouse ear snail, is a European species of small, salt marsh snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae.


For terms see gastropod shell.

The shell is yellowish to brownish, smooth or with fine striation. It is shiny. There are 7-8 slightly convex whorls.The apertural margin is white and usually with a white layer at the parietal side. The parietalis is very strong and horizonal and often a small second parietalis is present. The columellaris is strong and the umbilicus is usually covered. The form denticulata has 3-6 short and thin folds (like drops) near the palatal margin at the inner lip.

Photo of the shell
Drawing of the shell

Molecular phylogenetics[edit]

The complete nucleotide sequence of the mitochondrial genome of Myosotella myosotis has been available since 2008.[1]


As a native snail this species is found in the following countries and islands:

As an exotic, this species is found on:


The maximum recorded shell length is 12 mm.[2]


This species lives right at sea level, and so therefore the minimum recorded depth for this species is 0 m, and the maximum recorded depth is 0 m.[2]


  • Alexia (Auricula) myosotis (Draparnaud, 1801)
  • Alexia (Auricula) myosotis var. hiriarti de Folin, 1889
  • Alexia (Leuconia) micheli var. elongata Pallary, 1900
  • Alexia (Leuconia) micheli var. incrassata Pallary, 1900
  • Alexia algerica Bourguignat, 1864
  • Alexia balearica Dohrn & Heynemann, 1862
  • Alexia cossoni Bourguignat, 1887
  • Alexia enhalia Bourguignat, 1887
  • Alexia loweana Pfeiffer, 1866
  • Alexia myosotis (Draparnaud, 1801)
  • Alexia myosotis var. varicosa Fenaux, 1939
  • Alexia obsoleta Pfeiffer, 1854
  • Alexia parva Locard, 1893
  • Alexia pechaudi Bourguignat, 1887
  • Auricula (Alexia) meridionalis Brazier, 1877
  • Auricula biasolettiana Küster, 1844
  • Auricula botteriana Philippi, 1846
  • Auricula ciliata Morelet, 1845
  • Auricula dubia Cantraine, 1835
  • Auricula kutschigiana Küster, 1844
  • Auricula meridionalis Brazier, 1877
  • Auricula microstoma Küster, 1844
  • Auricula myosotis Draparnaud, 1801
  • Auricula myosotis var. adriatica Küster, 1844
  • Auricula myosotis var. elongata Küster, 1844
  • Auricula tenella Menke, 1830
  • Auricula veneta Martens, 1884
  • Auricula venetiensis Megerle von Mühlfeld in Villa A. & G.B., 1841
  • Auricula vespertina Morelet, 1860
  • Auricula watsoni Wollaston, 1878
  • Melampus gracilis Lowe, 1832
  • Ovatella myosotis (Draparnaud, 1801)
  • Ovatella myosotis salentina Palazzi & Curini Galletti, 1982
  • Phytia letourneuxi var. tanousi Pallary, 1912
  • Phytia myosotis (Draparnaud, 1801)


  1. ^ Grande C., Templado J. & Zardoya R. (2008). "Evolution of gastropod mitochondrial genome arrangements". BMC Evolutionary Biology 2008, 8: 61. doi:10.1186/1471-2148-8-61
  2. ^ a b Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.


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