Carideos cavernicola de las bermudas

The Cavernicolous Caridean Shrimps of Bermuda (Alpheidae, Hippolytidae, and Atyidae) C. W. Hart, Jr.; Raymond B. Manning Journal of Crustacean Biology, Vol. 1, No. 3. (Aug., 1981), pp. 441-456.
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JOURNAL OF CRUSTACEAN BIOLOGY. l(3): 441456. 1981

THE CAVERNICOLOUS CARIDEAN SHRIMPS OF BERMUDA (ALPHEIDAE, HIPPOLYTIDAE, AND ATYIDAE)
C . W . Hart, Jr., and Raymond B. Manning
ABSTRACT
Four species of caridean shrimps inhabit the anchialine habitats of two caves on Bermuda. One represents a new genus and species (Somersiellasterreri), and one a new species (Typhlatya iliffei). A range extension is provided for Barbouria cubensis (von Martens), and Automate dolichognatha De Man (=Automate gardineri Coutiere) is reported from a new habitat and is refigured.

Two subterranean anchialine habitats on Bermuda were recently found by Drs. Wolfgang E. Sterrer and Thomas M. Iliffe of the Bermuda Biological Station to be inhabited byfour species of caridean shrimps. One shrimp represents a new genus, one a new species, and one a new distribution record. The fourth shrimp, Automate dolichognatha De Man (1888), listed by Markham and McDermott (1980) as having been found on Bermuda (as A. gardineri Coutiere), is included in this tabulation because it was found in the unusual anchialine habitat of Tucker's Town Cave. Tucker'sTown Cave, Tucker's Town, is essentially flask-shaped, with water filling the lower part. The entrance is circular, about 4 m in diameter, followed immediately by a vertical drop of about 13 m. Widening toward the bottom, the single room of the cave is roughly elliptical and, at the sea level pool, measures about 7 by 15 m. The sand and silt bottom of the pool slopes rapidly to a depth of about 13 m,and a small amount of natural light entering from above gives most of the room a dim illumination. Tidal fluctuations of the pool indicate a connection with the sea, probably on the South Shore. To the right, and beyond a stalagmite, the base of which is about 3 m in diameter, are the remains of a wooden platform, now decaying and falling into water about 2 m in depth. Typhlatya and Automate werecollected in the deeper waters of the cave; Barbouria and Somersiella in shallower waters, mainly among the timbers of the fallen platform. Following the discovery of the shrimps in May, 1980, Iliffe and C. W. Hart, Jr., visited the cave in August and collected one additional specimen of Automate dolichognatha. In September, Iliffe and Brian Kensley collected two additional specimens of...