| Agkistrodon contortrix mokasen |
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|
| Scientific classification |
| Domain: |
Eukaryota |
| Kingdom: |
Animalia |
| Phylum: |
Chordata |
| Class: |
Reptilia |
| Order: |
Squamata |
| Suborder: |
Serpentes |
| Family: |
Viperidae |
| Genus: |
Agkistrodon |
| Species: |
|
| Subspecies: |
A. c. mokasen |
| Trinomial name |
Agkistrodon contortrix mokasen
|
| Synonyms |
- Agkistrodon mokason
Palisot de Beauvois, 1799
- Agkishodon mokasen
Palisot de Beauvois, 1799
- Cenchris mokeson Daudin, 1803
- Scytale mockeson Say, 1819
- Agkistrodon mokasen – Beyer, 1898
- Ancistrodon mokasen – Brown, 1908
- Agkistrodon mokasen mokasen
– Gloyd & Conant, 1934
- Agkistrodon mokeson mokeson
– Gloyd & Conant, 1943
- Agkistrodon mokeson
– Davis & Brimley, 1944
- Agkistrodon contortrix mokeson
– Klauber, 1948
- Agkistrodon contortrix mokasen
– Klimstra, 1950
- Ancistrodon contortrix mokeson
– Schmidt, 1953
- Agkistrodon contortrix makasen Bonn & McCarley, 1953
- Ancistrodon contortrix mokasen
– Petersen, 1970
- Agkistrodon contortrix mokasen
– Harding & Welch, 1980
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Agkistrodon contortrix mokasen (or northern copperhead) was formerly a venomous pit viper subspecies found in the eastern United States. However, recent taxonomic changes do not recognize the northern copperhead (A. c. mokasen) as a valid taxon.