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Four bones of a dove from Bermuda are tentatively identified with the West Indian Zenaida Dove as cf. Zenaida aurita. These occur in deposits dating to about 55,000 to 28,000 years ago that formed during the last glacial period when the land area of Bermuda was much larger. At that time, the West Indies would have been a much more likely source area than eastern North America for dove as a potential colonist of Bermuda. The Bermuda dove appears to have been a resident and perhaps became extinct as a result of flooding of the Bermuda platform and reduction in land area during the present interglacial. The two doves found on Bermuda today (Mourning Dove Zenaida macroura and Common Ground Dove Columbina passerina) are absent in the fossil record and apparently did not become established on the island until after human settlement in the seventeenth century.
The extant ophiuroid genus TriodiaA. M. Clark, 1970 is a junior homonym of the lepidopteran genus TriodiaHübner, 1820. The replacement name Triplodia is herein proposed to accommodate Triodia abditaA. M. Clark, 1970, assigned to this monotypic genus.
Procambarus (O.) pearsei is endemic to several river basins in southeastern North Carolina and northeastern South Carolina, with most of its range in the former state. It was described over 75 years ago, but the original description lacked many salient taxonomic features and very little else has been published about the species. Recent examination of the two primary type specimens, and an additional 296 specimens from all three of the river basins to which the species is restricted, has prompted a redescription that diagnoses and illustrates the species, provides distributional data and color notes, describes the previously neglected form-II male, assesses the location of the nebulous type locality, and provides some information on the biology of the species.
A new species, Ramazzottius belubellus, is described from a single lichen sample collected in the Great Smoky Mountains National Park in western North Carolina, U.S.A. The new species is easily distinguishable from all other members of the genus Ramazzottius by the presence of long dorsal, sharp triangular spines not arranged in transverse bands as opposed to small tubercles arranged in bands, or a thin reticulum, or a smooth cuticle present in all other described species of the genus. The new species could be confused with R. baumanni but differs from it by the presence of sharp triangular spines on the dorsal side of the body instead of flat, hemispherical tubercles.
A new species of tardigrade in the genus Oreella (Heterotardigrada, Echiniscoide, Oreellidae) is described from Girdwood, Alaska, U.S.A., North America. Oreella chugachii, new species, has single granulation, a short cirri A, and a small primary clava. The pharyngeal tube is long and flexible, eyes may be present, and the eggs have small pointed tips on their projections. In addition, a segment of the 18s rDNA gene is filed with GenBank as part of the description. The discovery in the northern hemisphere of a population of a new species of Oreella, a previously monotypic, Gondwanian genus, expands the biogeography of what is believed to be a foundation group for limno-terrestrial tardigrades.
A new species of Paradoneis, P. strelzovi new species, is described from Salsipuedes Bay, western coast of Baja California Peninsula, Mexico. It is characterized by the presence of neuropodial acicular chaetae in the posterior parapodia. The species closely resembles P. eliasoniMackie, 1991, described from the North Sea, but both species differ in the starting chaetiger of the notopodial lyrate chaetae, number of branchiae, shape of anterior notopodial lobes, and length of anal cirri.
An unusual new species of gorgonian octocoral, Leptogorgia filicrispa, is described from specimens collected off the coasts of Sonora, Gulf of California (México), Baja California (México), and southern California (U.S.A.). Unusual features include: the long, extremely thin, wiry and brittle branches of the colony; the highly tangled condition of those numerous branches; and general lack of an attachment holdfast. Multiple color forms of the branches, in the same colony, also occur.
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