(2011)
Volume
40
Part
4
Page from
393
Four new species of Napaeus are described from La Gomera (Canary Islands), which is one of the smaller islands of the archipelago but has the highest number of Napaeus species. The four new species can all disguise the shell with a cover of lichens, soil, or both, to reduce predation. When the covering is made of hygroscopic lichen, it might function as a water or humidity reservoir as well as for camouflage.
Keywords
Napaeus
taxonomy
species radiation
insular endemics
genital anatomy
shells
shell disguise.
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