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Unraveling Siren (Caudata: Sirenidae) systematics and description of a small, seepage specialist.

Zootaxa

March 2023

1Fish and Wildlife Research Institute, Florida Fish and Wildlife Conservation Commission, 1105 SW Williston Road, Gainesville, FL, USA..

Article Synopsis
  • Scientists have known for about 40 years that there are several undiscovered Siren species in the southeastern U.S., with one new species, S. sphagnicola, just described.
  • Research revealed that S. lacertina and S. reticulata are clearly distinct species with strong genetic support, while five lineages of S. intermedia show significant genetic variation.
  • The study also redefined the geographical range of S. intermedia and elevated one lineage to species status, incorporating elements from various U.S. regions and northeastern Mexico.
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