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Cryptobranchus alleganiensis (Daudin, 1803) - Hellbender

Maps

Locality Map

Locality map for Cryptobranchus alleganiensis (Hellbender)
Locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

County Map

County map for Cryptobranchus alleganiensis (Hellbender)
County map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Historical Locality Map

Historical locality map for Cryptobranchus alleganiensis (Hellbender)
Historical locality map for Cryptobranchus alleganiensis (Hellbender). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that more recent records might conceal underlying older records.
Map created 25 February 2020.

Historical County Map

Historical county map for Cryptobranchus alleganiensis (Hellbender)
Historical county map for Cryptobranchus alleganiensis (Hellbender). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that only the most recent county record for each county is shown.
Map created 25 February 2020.

Ecological Drainage Locality Map

Ecological Drainage Units map for Cryptobranchus alleganiensis (Hellbender)
Ecological Drainage Units locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Natural Divisions Locality Map

Natural Divisions locality map for Cryptobranchus alleganiensis (Hellbender)
Natural Divisions and Sections locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Major Watersheds Locality Map

Major watersheds map for Cryptobranchus alleganiensis (Hellbender)
Major Watersheds locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Level I Ecoregion Locality Map

Level I Ecoregions map for Cryptobranchus alleganiensis (Hellbender)
Level I Ecoregion locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Level II Ecoregion Locality Map

Level II Ecoregions map for Cryptobranchus alleganiensis (Hellbender)
Level II Ecoregion locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Level III Ecoregion Locality Map

Level III Ecoregions map for Cryptobranchus alleganiensis (Hellbender)
Level III Ecoregion locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Cryptobranchus alleganiensis (Hellbender)
Level IV Ecoregion locality map for Cryptobranchus alleganiensis (Hellbender).
Map created 25 February 2020.

Native Status

Cryptobranchus alleganiensis (Hellbender) is native to Missouri.

Collection Summary

Cryptobranchus alleganiensis (Hellbender) has a total of 280 valid, non-duplicated collections representing 19 counties and 77 localities. There are a total of 53 collectors and 87 collection dates for the species. This results in a total of 95 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1896 and its most recent collection year is 2007. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 10 and November 14, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Cryptobranchus alleganiensis (Hellbender) by county. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a county name to view more information about that county. Click on column headings to sort by that column.
County Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Camden 2 3 1 2 2 1934 1946
Carter 3 9 7 7 7 1930 1967
Crawford 3 10 2 4 4 1975 1987
Dallas 15 67 11 19 20 1953 1986
Dent 1 2 2 2 2 1909 1932
Douglas 2 2 2 2 2 1948 1969
Franklin 2 2 2 2 2 2004 2004
Gasconade 1 1 4 1 1 2006 2006
Jefferson 1 1 1 1 1
Laclede 4 6 5 3 5 1956 2002
Maries 1 1 4 1 1 2007 2007
Oregon 7 24 10 9 10 1900 1990
Osage 1 1 1 1 1 1983 1983
Ozark 12 92 12 19 20 1964 2006
Phelps 3 6 3 5 5 1896 1986
Pulaski 7 22 6 7 7 1950 1987
Ripley 1 1 3 1 1 2004 2004
Shannon 3 5 3 3 3 1962 1988
Texas 5 11 7 5 5 1953 2003

Potential County Records

Potential counties for Cryptobranchus alleganiensis (Hellbender). Counties are listed in descending order of their likelihood of having this species. Click on a county to view more information about that county. Click on column headings to sort by that column.
Likelihood County Rationale Ecoregion / Watershed
2 Howell Same watershed, within 5 miles North Fork White
2 Jasper Same watershed, within 5 miles Spring
4 Newton Same watershed, within 10 miles Spring
4 Reynolds Same watershed, within 10 miles Current
4 Saint Louis Same watershed, within 10 miles Meramec
6 Barton Same watershed, within 20 miles Spring
6 Benton Same watershed, within 20 miles Niangua
6 Butler Same watershed, within 20 miles Current
6 Hickory Same watershed, within 20 miles Niangua
6 Washington Same watershed, within 20 miles Meramec
6 Webster Same watershed, within 20 miles Niangua
6 Wright Same watershed, within 20 miles North Fork White
8 Iron Same watershed, within 30 miles Meramec
10 Christian Adjacent county, same watershed Spring

Linnaean Classification

Kingdom:
Animalia - Animals
Phylum:
Chordata - Chordates
Subphylum:
Vertebrata - Vertebrates
Class:
Amphibia Gray, 1825 - Amphibians
Order:
Caudata Scopoli, 1777 - Salamanders
Family:
Cryptobranchidae Fitzinger, 1825 - Giant Salamanders
Genus:
Cryptobranchus Leuckart, 1821 - Hellbenders
Species:
Cryptobranchus alleganiensis (Daudin, 1803) - Hellbender

Recent Taxonomic Synonyms

(none)