Labyrinthus umbrus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Labyrinthus umbrus" in English language version.

refsWebsite

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459^th place

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6^th place

6^th place

archive.org

Solem A. (31 May) 1966. The Neotropical land snail genera: Labyrinthus and Isomeria (Pulmonata, Camaenidae). Fieldiana: Zoology, volume 50: page 58-59.

umich.edu

deepblue.lib.umich.edu

Thompson F. G. (20 Nevemeber) 1957. A Collection of mollusks from Northern Venezuela. Occasional papers of the Museum of Zoology University of Michigan, number 591: 1-10. Labyrinthus umbrus is on the page 6-7.