Radiodiscus patagonicus
Radiodiscus patagonicus | |
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Three views of a shell of Radiodiscus patagonicus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Heterobranchia |
Order: | Stylommatophora |
Family: | Charopidae |
Genus: | Radiodiscus |
Species: | R. patagonicus
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Binomial name | |
Radiodiscus patagonicus | |
Synonyms | |
Pyramidula patagonica Suter, 1900[1] |
Radiodiscus patagonicus is a minute
Distribution
This species occurs in countries including:
The type locality is Santa Cruz near Mt. of Observation on the Rio Chico 50 miles above Sierra Oveja, on a dry stone near the water (according to F. von Ihering). Spring near base of the Andes, 65 miles north of the Rio Chico, elevation 2400 ft. Banks of a small stream 10 miles from Ushe Lake (according to the J. B. Hatcher).[4]
Shell description
The
The width of the adult shell is about 1.7-1.8 mm, the height is 0.9-1.2 mm.[4]
The above description and the figures are from a shell collected alive 50 miles above the Sierra Oveja.[4]
The original description, in Portuguese, was based upon fossil specimens, which had lost the color and part of the finer sculpture. The original lot of Radiodiscus patagonicus was from Santa Cruz, on the coast, in a modern deposit. Specimen from original lot are a little larger than the living shell described, with the whorls slightly deeper.[4]
References
This article incorporates public domain text from the reference.[4]
- ^ a b Suter 1900. Revista do Museu Paulista, IV, 1900, p. 334, plate 3, f. 6, 6b.
- ^ Suter & Pilsbry H. A.. 1900. Proc. A. N. S. Philadelphia, 1900, p. 387, plate 12, f. 9-11.
- ^ Norma Campos Salgado; Arnaldo C. dos Santos Coelho (2003). "Moluscos terrestres do Brasil (Gastrópodes operculados ou não, exclusive Veronicellidae, Milacidae e Limacidae)" (PDF). Rev. Biol. Trop. 51 (Suppl. 3): 149–189. Archived from the original (PDF) on February 25, 2009. (in Portuguese with English abstract)
- ^ a b c d e f Pilsbry H. A. 1911. Non-marine mollusca of Patagonia. Princeton: The University. pages 517–518.