Dahlella
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Dahlella is a genus of leptostracan crustacean which lives on hydrothermal vents in the Pacific Ocean. The only species is Dahlella caldariensis.[1]
Description
Dahlella may reach a length of Script error: No such module "convert". from the base of the rostrum to the end of the abdomen.[2] Much of the animal is covered by a large, hinged carapace. Dahlella can be distinguished from other animals in the same family by the presence of a row of denticles (small teeth) on the eyestalks, which it is believed are used to scrape surfaces for food.[3] A similar character is found in Paranebalia (Paranebaliidae), but the form of the eyestalk is very different in the two taxa.[3]
Distribution
Dahlella caldariensis has been recorded from a small number of sites around hydrothermal vents in the eastern Pacific Ocean near the Galápagos Islands and on the East Pacific Rise.[4] It is one of the deepest-living species of Leptostraca, having been found at depths of over Script error: No such module "convert"..[5]
Etymology
The generic name Dahlella commemorates the biologist Erik Dahl of the University of Lund. The specific epithet comes from the Latin word Script error: No such module "Lang". meaning hot bath, and is a reference to the natural habitat of D. caldariensis.[6]
References
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