Drymaeus tripictus

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Drymaeus tripictus
Drymaeus tripictus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Bulimulidae
Genus: Drymaeus
Species:
D. tripictus
Binomial name
Drymaeus tripictus
Albers, 1857
Synonyms
  • Bulimulus rhodotrema Martens, 1868 (junior synonym)
  • Bulimus tripictus Albers, 1857 (original combination)
  • Drymaeus (Mesembrinus) tripictus (Albers, 1857)· accepted, alternate representation

Drymaeus tripictus is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Bulimulidae.[1]

Specimens vary in color patterns, but can be identified by their ventricose shape, broad bands of spots and an apex and peristome of bright rose coloration.[2] Some specimens have white or translucent dots on the body whorl.[3]

The reproductive system of D. tripictus, and Drymaeus costarricenses are similar, suggesting these species are closely related.[4] Two other species - Drymaeus irazuensis and Drymaeus gabbi - also have bright rose coloured peristomes, but there is no description of their reproductive apparatus in the scientific literature, therefore the taxonomic relationship is not certain yet.[3]

Distribution

D. tripictus is an extremely rare land snail species. This snail is endemic to the central Costa Rican highlands between an altitude of 1300-1700 m.[2][5]

Ecology

These snails are more active during the night and until early morning. D. tripictus likely feed on algae and cyanobacteria present on moss or lichen. They can be found in the shrubs and understory of the forest. The species is more abundant in the primary forest (0.017 individuals/m2) than in secondary forests (0.001 individuals/m2).[3]

Reproduction

References

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