Diplolaimelloides woaabi sp. n. (Nematoda: Monhysteridae): A Novel Species of Free-Living Nematode from the Great Salt Lake, Utah
Julie Jung, Thomas R. Murray, Morgan C. Marcue, Thomas Powers, Solinus Farrer, Abigail Borgmeier, Byron J. Adams, Jonathan A. Wang, Gustavo Fonseca, Michael S. Werner
TL;DR
A new species of free-living nematode, Diplolaimelloides woaabi, was discovered in the hypersaline microbialites of Great Salt Lake, Utah.
Contribution
The discovery and detailed characterization of a novel nematode species adapted to hypersaline environments.
Findings
Diplolaimelloides woaabi is characterized by unique morphological features such as fused lips and specific papillae arrangements.
The species is adapted to hypersaline microbialites and may serve as a bioindicator of ecological changes in Great Salt Lake.
Abstract
A new species of free-living nematode inhabiting microbialites in Great Salt Lake, Utah, USA is described both molecularly by 18S-sequencing and morphologically with scanning electron microscopy and differential interference contrast (DIC) microscopy. Diplolaimelloides woaabi sp. nov. (family Monhysteridae, order Monhysterida) is characterized by a combination of the following characters: ocelli present; a relatively small body size (<1.5 mm); short anterior sensory setae; cryptospiral amphidial fovea; a funnel-shaped anterior buccal cavity and reduced secondary cavity; fused lips; long double spicules and conspicuous male bursa displaying four pairs of post-cloacal papillae arranged in a (2 + 2) pattern, a single mid-ventral pre-cloacal papilla, two pairs of papillae posterior to the bursa, and an additional offset mid-tail papillae pair; and a pair of sub-apical extensions on…
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Taxonomy
TopicsMarine Biology and Ecology Research · Protist diversity and phylogeny · Freshwater macroinvertebrate diversity and ecology