Desmognathus catahoula Pyron and Beamer, 2023

Class: Amphibia > Order: Caudata > Family: Plethodontidae > Subfamily: Plethodontinae > Genus: Desmognathus > Species: Desmognathus catahoula

Desmognathus catahoula Pyron and Beamer, 2023, Zootaxa, 5311: 477. Holotype: AMNH A-193895, by original designation. Type locality: "Loving Creek (L[ouisian]A: Rapides [Parish]; 31.203, -92.577; 22m ASL)." Zoobank publication registration: 55C03344-6CA2-43A1-9785-8E06B7A9BA03

English Names

Catahoula Spotted Dusky Salamander (original publication). 

Western Spotted Dusky Salamander (original publication).


Currently known only from extreme eastern Texas and central and northern Louisiana in the Neches, lower Sabine, lower Red-Sulphur, upper Louisiana Coastal, and lower Lower Red–Ouachita River drainages; possibly also extending into adjacent southern Arkansas, USA. Apparently absent from previous collection localities in the Trinity and Galveston Bay–San Jacinto River drainages, as well as the upper portions of the Sabine and Red–Sulphur drainages, Texas, USA. 

Geographic Occurrence

Natural Resident: United States of America, United States of America - Louisiana, United States of America - Texas

Likely/Controversially Present: United States of America - Arkansas

Endemic: United States of America


Formerly referred to as the Desmognathus conanti E lineage of Beamer and Lamb, 2020, Zootaxa, 4734: 1–61, according to the original publication, where comparative morphology, molecular markers, habitat, and systematics was detailed. 

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