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Sistrurus catenatus (Rafinesque, 1818) - Eastern Massasauga

Maps

Locality Map

Locality map for Sistrurus catenatus (Eastern Massasauga)
Locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

County Map

County map for Sistrurus catenatus (Eastern Massasauga)
County map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Historical Locality Map

Historical locality map for Sistrurus catenatus (Eastern Massasauga)
Historical locality map for Sistrurus catenatus (Eastern Massasauga). 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 6 March 2024.

Historical County Map

Historical county map for Sistrurus catenatus (Eastern Massasauga)
Historical county map for Sistrurus catenatus (Eastern Massasauga). 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 6 March 2024.

Ecological Drainage Locality Map

Ecological Drainage Units map for Sistrurus catenatus (Eastern Massasauga)
Ecological Drainage Units locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Natural Divisions Locality Map

Natural Divisions locality map for Sistrurus catenatus (Eastern Massasauga)
Natural Divisions and Sections locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Major Watersheds Locality Map

Major watersheds map for Sistrurus catenatus (Eastern Massasauga)
Major Watersheds locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Level I Ecoregion Locality Map

Level I Ecoregions map for Sistrurus catenatus (Eastern Massasauga)
Level I Ecoregion locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Level II Ecoregion Locality Map

Level II Ecoregions map for Sistrurus catenatus (Eastern Massasauga)
Level II Ecoregion locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Level III Ecoregion Locality Map

Level III Ecoregions map for Sistrurus catenatus (Eastern Massasauga)
Level III Ecoregion locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Sistrurus catenatus (Eastern Massasauga)
Level IV Ecoregion locality map for Sistrurus catenatus (Eastern Massasauga).
Map created 6 March 2024.

Native Status

Sistrurus catenatus (Eastern Massasauga) is native to Missouri.

Collection Summary

Sistrurus catenatus (Eastern Massasauga) has a total of 40 valid, non-duplicated collections representing 4 counties and 13 localities. There are a total of 7 collectors and 9 collection dates for the species. This results in a total of 10 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1899 and its most recent collection year is 1941. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 20 and September 28, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Sistrurus catenatus (Eastern Massasauga) 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
Lewis 1 2 1 1 1
Saint Charles 8 32 6 9 9 1899 1941
Saint Louis 3 4 2 1 2
Warren 1 2 1 1 1

Potential County Records

Potential counties for Sistrurus catenatus (Eastern Massasauga). 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 Franklin Same Level IV ecoregion, within 5 miles River Hills
2 Jefferson Same Level IV ecoregion, within 5 miles Eastern Ozark Border
2 Lincoln Same Level IV ecoregion, within 5 miles Upper Mississippi Alluvial Plain
6 Gasconade Same Level IV ecoregion, within 20 miles River Hills
6 Montgomery Same Level IV ecoregion, within 20 miles River Hills
8 Pike Same Level IV ecoregion, within 30 miles Upper Mississippi Alluvial Plain
9 Washington Same Level III ecoregion, within 30 miles Ozark Highlands
10 Clark Same Level IV ecoregion, adjacent county Upper Mississippi Alluvial Plain
10 Marion Same Level IV ecoregion, adjacent county Upper Mississippi Alluvial Plain
10 Marion Same Level IV ecoregion, adjacent county River Hills
10 Shelby Same Level IV ecoregion, adjacent county River Hills

Linnaean Classification

Kingdom:
Animalia - Animals
Phylum:
Chordata - Chordates
Subphylum:
Vertebrata - Vertebrates
Class:
Reptilia Laurenti, 1768 - Reptiles
Order:
Squamata Oppel, 1811 - Lizards and Snakes
Suborder:
Serpentes Linnaeus, 1758 - Snakes
Family:
Viperidae Bonaparte, 1840 - Asps and Vipers
Genus:
Sistrurus Garman, 1883 - Massasaugas and Pygmy Rattlesnakes
Species:
Sistrurus catenatus (Rafinesque, 1818) - Eastern Massasauga

Recent Taxonomic Synonyms

(none)