Search Results - "Whelan, Nathan V"

Error, signal, and the placement of Ctenophora sister to all other animals by Whelan, Nathan V., Kocot, Kevin M., Moroz, Leonid L., Halanych, Kenneth M.

“…Elucidating relationships among early animal lineages has been difficult, and recent phylogenomic analyses place Ctenophora sister to all other extant animals,…”
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Available data do not rule out Ctenophora as the sister group to all other Metazoa by Whelan, Nathan V., Halanych, Kenneth M.

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Toll-like receptor pathway evolution in deuterostomes by Tassia, Michael G., Whelan, Nathan V., Halanych, Kenneth M.

“…Animals have evolved an array of pattern-recognition receptor families essential for recognizing conserved molecular motifs characteristic of pathogenic…”
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Riverscape genetic variation, migration patterns, and morphological variation of the threatened Round Rocksnail, Leptoxis ampla by Whelan, Nathan V., Galaska, Matthew P., Sipley, Breanna N., Weber, Jennifer M., Johnson, Paul D., Halanych, Kenneth M., Helms, Brian S.

“…Within riverine systems, headwater populations are hypothesized to harbour higher amounts of genetic distinctiveness than populations in the main stem of a…”
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Miscues misplace sponges by Halanych, Kenneth M., Whelan, Nathan V., Kocot, Kevin M., Kohn, Andrea B., Moroz, Leonid L.

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Using genomics, morphometrics, and environmental niche modeling to test the validity of a narrow-range endemic snail, Patera nantahala (Gastropoda, Polygyridae) by Whelan, Nathan V, Strong, Ellen E, Gladstone, Nicholas S, Mays, Jason W

“…Terrestrial gastropods are among the most imperiled groups of organisms on Earth. Many species have a complex taxonomic history, often including poorly defined…”
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Morphology, molecules and taxonomy: extreme incongruence in pleurocerids (Gastropoda, Cerithioidea, Pleuroceridae) by Whelan, Nathan V., Strong, Ellen E.

“…Pronounced mitochondrial heterogeneity within putative species of Pleuroceridae has prevented meaningful systematic revisions of this critically imperilled…”
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Rediscovery of Leptoxis compacta (Anthony, 1854) (Gastropoda: Cerithioidea: Pleuroceridae) by Whelan, Nathan V, Johnson, Paul D, Harris, Phil M

“…The Mobile River Basin is a hotspot of molluscan endemism, but anthropogenic activities have caused at least 47 molluscan extinctions, 37 of which were…”
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Range reduction of Oblong Rocksnail, Leptoxis compacta , shapes riverscape genetic patterns by Wright, Aaliyah D, Garrison, Nicole L, Williams, Ashantye' S, Johnson, Paul D, Whelan, Nathan V

“…Many freshwater gastropod species face extinction, including 79% of species in the family Pleuroceridae. The Oblong Rocksnail, Leptoxis compacta , is a narrow…”
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Who Let the CAT Out of the Bag? Accurately Dealing with Substitutional Heterogeneity in Phylogenomic Analyses by Whelan, Nathan V., Halanych, Kenneth M.

“…As phylogenetic datasets have increased in size, site-heterogeneous substitution models such as CAT-F81 and CAT-GTR have been advocated in favor of other…”
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On the identity of Leptoxis taeniata - a misapplied name for the threatened Painted Rocksnail (Cerithioidea, Pleuroceridae) by Whelan, Nathan V, Johnson, Paul D, Garner, Jeffrey T, Strong, Ellen E

“…The Painted Rocksnail, currently known as , is a federally threatened species native to the Mobile River basin in Alabama, USA. Presently restricted to four…”
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Assessing the diversity of Western North American Juga (Semisulcospiridae, Gastropoda) by Strong, Ellen E., Whelan, Nathan V.

“…[Display omitted] •We assembled a mitochondrial and nuclear gene dataset to assess diversity of Juga.•We explored our data using a variety of phylogenetic and…”
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Genetic diversity and historical demography in Bellamya gastropods from the Lake Victoria ecoregion reveal early and severe population collapse by Whelan, Nathan V., Strong, Ellen E.

“…Understanding the interplay between ecological and population genetic processes through space and time is a central goal of landscape genetics. However, most…”
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Subterranean freshwater gastropod biodiversity and conservation in the United States and Mexico by Gladstone, Nicholas S., Niemiller, Matthew L., Hutchins, Benjamin, Schwartz, Benjamin, Czaja, Alexander, Slay, Michael E., Whelan, Nathan V.

“…Many taxonomic groups successfully exploit groundwater environments and have adapted to a subterranean (stygobiotic) existence. Among these groups are…”
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Conservation genomics reveals low genetic diversity and multiple parentage in the threatened freshwater mussel, Margaritifera hembeli by Garrison, Nicole L., Johnson, Paul D., Whelan, Nathan V.

“…Margaritifera hembeli is a federally threatened freshwater mussel species restricted to three central Louisiana drainages. Currently, management efforts are…”
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Pushing barcodes to their limits: phylogenetic placement of Fontigens Pilsbry, 1933 (Caenogastropoda: Littorinimorpha: Truncatelloidea) and elevation of Fontigentidae Taylor, 1966 by Gladstone, Nicholas S, Whelan, Nathan V

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Ctenophore relationships and their placement as the sister group to all other animals by Whelan, Nathan V., Kocot, Kevin M., Moroz, Tatiana P., Mukherjee, Krishanu, Williams, Peter, Paulay, Gustav, Moroz, Leonid L., Halanych, Kenneth M.

“…Ctenophora, comprising approximately 200 described species, is an important lineage for understanding metazoan evolution and is of great ecological and…”
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Correction: Surveys that prioritize site number over time per site will result in better gastropod status assessments: a case study on the rediscovery of Big Black Rocksnail by Rezac, Calvin R., Ellwanger, Robert J., Donohoo, Samantha A., Hartfield, Paul D., Ruppel, Ashley S., Ruppel, David S., Wagner, Matthew D., Whelan, Nathan V.

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Surveys that prioritize site number over time per site will result in better gastropod status assessments: a case study on the rediscovery of Big Black Rocksnail by Rezac, Calvin R., Ellwanger, Robert J., Donohoo, Samantha A., Hartfield, Paul D., Ruppel, Ashley S., Ruppel, David S., Wagner, Matthew D., Whelan, Nathan V.

“…Freshwater gastropods are among the most imperiled organisms on Earth. Yet, they are among the most understudied freshwater taxa. Numerous freshwater gastropod…”
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Hidden in the hills: phylogeny of the freshwater mussel genus Alasmidonta (Bivalvia: Unionidae) and description of a new species by Whelan, Nathan V, Johnson, Nathan A, Williams, Ashantye’ S, Perkins, Michael A, Beaver, Caitlin E, Mays, Jason W

“…Abstract Inaccurate taxonomy can lead to species in need of conservation being overlooked, which makes revisionary systematics crucially important for…”
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