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”’Hillis’s dwarf salamander”’ (””’Eurycea hillisi””’) is a species of salamander native to the southern region of the United States of America. (2). First observed in 2012, E. hillisi, like most other amphibians, abides principally in wetlands and swamps, or habitats close to a water source, such as a pond or river.(1) |
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== Taxonomy and Species Description == |
== Taxonomy and Species Description == |
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Eurycea hillisi was first described in a 2017 study by Wray, Means, and Steppan. Unlike most other plethodontids, E. hillisi only has 4 toes on its hindlimbs. It also has more consistent coloring compared to other species across the 20 observed members, displaying a copper or orange brown exterior.<ref name=”:0″>{{Cite journal |last=Wray|first=Kenneth P.|last2=Means|first2=D. Bruce|last3=Steppan|first3=Scott J.|date=2017-12-01|title=Revision of the Eurycea quadridigitata (Holbrook 1842) Complex of Dwarf Salamanders (Caudata: Plethodontidae: Hemidactyliinae) with a Description of Two New Species|url=https://bioone.org/journals/herpetological-monographs/volume-31/issue-1/HERPMONOGRAPHS-D-16-00011/Revision-of-the-Eurycea-quadridigitata-Holbrook-1842-Complex-of-Dwarf/10.1655/HERPMONOGRAPHS-D-16-00011.full|journal=Herpetological Monographs|volume=31|issue=1|pages=18|doi=10.1655/HERPMONOGRAPHS-D-16-00011|issn=0733-1347|url-access=subscription}}</ref> While not extensively described until 2017, E. hillisi was likely first observed by Lamb and Beamer in their 2012 study of the evolution of 4 toes in members of the Eurycea genus.<ref>{{Cite journal |last=Lamb|first=Trip|last2=Beamer|first2=David A.|date=2012-05-23|editor-last=Crandall|editor-first=Keith A.|title=Digits Lost or Gained? Evidence for Pedal Evolution in the Dwarf Salamander Complex (Eurycea, Plethodontidae)|url=https://dx.plos.org/10.1371/journal.pone.0037544|journal=PLoS ONE|language=en|volume=7|issue=5|pages=e37544|doi=10.1371/journal.pone.0037544|issn=1932-6203|pmc=3359299|pmid=22649536}}</ref>{{dashboard.wikiedu.org sandbox}} |
Eurycea hillisi was first described in a 2017 study by Wray, Means, and Steppan. Unlike most other plethodontids, E. hillisi only has 4 toes on its hindlimbs. It also has more consistent coloring compared to other species across the 20 observed members, displaying a copper or orange brown exterior.<ref name=”:0″>{{Cite journal |last=Wray|first=Kenneth P.|last2=Means|first2=D. Bruce|last3=Steppan|first3=Scott J.|date=2017-12-01|title=Revision of the Eurycea quadridigitata (Holbrook 1842) Complex of Dwarf Salamanders (Caudata: Plethodontidae: Hemidactyliinae) with a Description of Two New Species|url=https://bioone.org/journals/herpetological-monographs/volume-31/issue-1/HERPMONOGRAPHS-D-16-00011/Revision-of-the-Eurycea-quadridigitata-Holbrook-1842-Complex-of-Dwarf/10.1655/HERPMONOGRAPHS-D-16-00011.full|journal=Herpetological Monographs|volume=31|issue=1|pages=18|doi=10.1655/HERPMONOGRAPHS-D-16-00011|issn=0733-1347|url-access=subscription}}</ref> While not extensively described until 2017, E. hillisi was likely first observed by Lamb and Beamer in their 2012 study of the evolution of 4 toes in members of the Eurycea genus.<ref>{{Cite journal |last=Lamb|first=Trip|last2=Beamer|first2=David A.|date=2012-05-23|editor-last=Crandall|editor-first=Keith A.|title=Digits Lost or Gained? Evidence for Pedal Evolution in the Dwarf Salamander Complex (Eurycea, Plethodontidae)|url=https://dx.plos.org/10.1371/journal.pone.0037544|journal=PLoS ONE|language=en|volume=7|issue=5|pages=e37544|doi=10.1371/journal.pone.0037544|issn=1932-6203|pmc=3359299|pmid=22649536}}</ref>{{dashboard.wikiedu.org sandbox}} |
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Latest revision as of 20:41, 2 December 2025
Hillis’s dwarf salamander (Eurycea hillisi) is a species of salamander native to the southern region of the United States of America. (2). First observed in 2012, E. hillisi, like most other amphibians, abides principally in wetlands and swamps, or habitats close to a water source, such as a pond or river.(1)
Taxonomy and Species Description
[edit]
Eurycea hillisi was first described in a 2017 study by Wray, Means, and Steppan. Unlike most other plethodontids, E. hillisi only has 4 toes on its hindlimbs. It also has more consistent coloring compared to other species across the 20 observed members, displaying a copper or orange brown exterior.[1] While not extensively described until 2017, E. hillisi was likely first observed by Lamb and Beamer in their 2012 study of the evolution of 4 toes in members of the Eurycea genus.[2]
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In the same article, Wray, Means, and Steppan noted that Eurycea Hillisi ranged into the southern part of Alabama, the central part of the Florida panhandle, and mid-central Georgia. It is also to be mentioned that the Eurycea Hillisi have not been found yet further east than the Ogeechee River basin (about 53 miles east of Macon, Ga). The boundary concerning Florida is the Chipola and Choctawhatchee rivers ( the Chipola river being the furthest east, which is 63.5 miles west of Tallahassee [1]
Concerning habitat, Wray, Means, and Steppan dually noted that the Eurycea Hillisi resided in Bay swamps, Upper ends of beaver ponds(and the periphery), isolated wetlands, streams, and seepage ravines. Examples include the Apalachicola National Forest, the Mobile Bay River Delta area, and the river basins mentioned above. It should also be noted that Wray, Means, and Steppan reported that encountering an Eurycea Hillisi is best done with Sphagnum moss, as it meets all the habitat characteristics regarding moisture and protection. [1]
