Pyramidula pusilla

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Pyramidula pusilla
Pyramidula pusilla shell.jpg
Five shells of Pyramidula pusilla
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora

informal group Orthurethra
Superfamily:
Pupilloidea
Family:
Pyramidulidae
Genus:
Pyramidula
Species:
P. pusilla
Binomial name
Pyramidula pusilla
(, 1801)[1]

Pyramidula pusilla is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pyramidulidae.

Shell description[]

The width of the shell is up to 2.95 mm, the height is up to 2.25 mm.[2] In colour it is dark brown. The shell form is low conical, broader than high. The apical whorls regularly increase. The umbilicus is 1/4 of the diameter (in some Spain localities 1/3). Growth are lines fine and narrow, sometimes weak.

Distribution[]

The geographical distribution of this species is mainly Mediterranean: western and central Europe,[2] southeastern Europe,[3] Caucasus,[3] Central Asia[3] and probably the Russian Far East.[3]

Europe (not a complete list):

Southwestern Asia (not a complete list):

Central Asia:

References[]

  1. ^ Vallot J. N. 1801. Exercice sur l'histoire naturelle. pp. 1-8. Dijon. (École centrale de département de la Côte d'Or).
  2. ^ a b Gittenberger E. & Bank R. A. 1996. A new start in Pyramidula (Gastropoda Pulmonata: Pyramidulidae). Basteria 60: 71-78.
  3. ^ a b c d e f g h i j k l m n (in Russian) Balashov I.A. & Gural-Sverlova N.V. 2011. Terrestrial molluscs of the genus Pyramidula (Pyramidulidae, Pulmonata, Gastropoda) in the East Europe, Central Asia and adjacent territories. Zoologicheskii Zhurnal. 90 (12): 1423-1430.
  4. ^ a b c d e f g h i j k l Falkner G., Bank R.A. & Proschwitz T. 2001. CLECOM-PROJECT: Check-list of the non-marine Molluscan species-group taxa of the states of Northern, Atlantic and Central Europe (CLECOM I). Heldia. 4: 1–76.
  5. ^ a b c Alberto Martínez-Ortí, Benjamín J. Gómez-Moliner & Carlos E. Prieto. 2007. El género Pyramidula Fitzinger 1833 (Gastropoda, Pulmonata) en la Península Ibérica. The genus Pyramidula Fitzinger 1833 (Gastropoda, Pulmonata) in the Iberian Peninsula. Iberus, Sociedad Española de Malacología, 25 (1): 77-87.
  6. ^ Irikov A. & Zoltan E.. 2008. An updated and annotated checklist of Bulgarian terrestrial gastropods (Mollusca: Gastropoda). Folia Malacologica. 16 (4): 199-207.
  7. ^ Juřičková L., Horsák M, Beran L. & Dvořák L. Check-list of the molluscs (Mollusca) of the Czech Republic. Last update: 26-August-2008.
  8. ^ (in Slovak) Lisický M. J. (1991). Mollusca Slovenska [The Slovak molluscs]. VEDA vydavateľstvo Slovenskej akadémie vied, Bratislava, 344 pp.
  9. ^ Hausdorf B. & Henning C. 2006. Biogeographical tests of the vicariance model in Mediterranean land snails. Journal of Biogeography. 33: 1202–1211.

External links[]


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