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Discus (genus)
''Discus'' is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Discidae, the disk snails. Distribution Distribution of the genus ''Discus'' include Europe, northern Asia and North America."Genus summary for ''Discus''" , last modified 15 january 2009, accessed 13 January 2011. Description Discus species have small or medium shells with ribs. The umbilicus is wide.[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Discus Rotundatus
''Discus rotundatus'', common name rotund disc, is a species of small, air-breathing, land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae, the disk snails. Description The shells of ''Discus rotundatus'' in the adult stage measure in diameter and in height. Shells are reddish brown with darker cross bands, flat and densely ribbed. The umbilicus is quite wide, reaching about 1/3 of the shell diameter. Among the species of ''Discus'' in Europe and North America, ''Discus rotundatus'' is recognized by the alternating pattern of reddish brown spots, tight coiling of the whorls and broad and shallow umbilicus. The body of this gastropod is bluish black on the upperside, while the lower side is greyish white. They mainly feed on plant debris, humus, algae and fungi. Cycle of life These snails, like most terrestrial gastropods, are hermaphrodite. The reproductive season last from May to October. Usually they lay 20-50 eggs in rotting wood or below decaying ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
