Maps
Locality Map
Locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
County Map
County map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Historical Locality Map
Historical locality map for Plestiodon obsoletus (Great Plains Skink). 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 15 April 2026.
Historical County Map
Historical county map for Plestiodon obsoletus (Great Plains Skink). 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 15 April 2026.
Ecological Drainage Locality Map
Ecological Drainage Units locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Major Watersheds Locality Map
Major Watersheds locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Plestiodon obsoletus (Great Plains Skink).
Map created 15 April 2026.
Native Status
Plestiodon obsoletus (Great Plains Skink) is native to Missouri.
Collection Summary
Plestiodon obsoletus (Great Plains Skink) has a total of 21 valid, non-duplicated collections representing 9 counties and 14 localities. There are a total of 9 collectors and 15 collection dates for the species. This results in a total of 15 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1940 and its most recent collection year is 2022. The earliest and latest collection dates (independent of earliest and most recent collection years) are April 23 and September 13, respectively. If you have a new record to report, read the New Records section of the FAQ.
Collection Summary by County
| County | Localities | Collections | Collectors | Dates | Expeditions | Earliest Year | Latest Year | |
|---|---|---|---|---|---|---|---|---|
 | Atchison | 3 | 3 | 2 | 3 | 3 | 1967 | 1977 |
| Barry | 2 | 2 | 3 | 2 | 2 | 1991 | 1992 |
| Buchanan | 1 | 1 | 1 | 1 | 1 | 2011 | 2011 |
| Cass | 2 | 5 | 1 | 3 | 3 | 1941 | 1941 |
| Clay | 1 | 1 | 1 | 1 | 1 | 1993 | 1993 |
| Dade | 1 | 1 | 1 | 1 | 1 | 2022 | 2022 |
| Jackson | 1 | 5 | 1 | 3 | 3 | 1940 | 1941 |
| Newton | 1 | 1 | 1 | 1 | 1 | 1989 | 1989 |
| Vernon | 2 | 2 | 2 | 2 | 2 | 1957 | 1957 |
Potential County Records
| Likelihood | County | Rationale | Ecoregion / Watershed | |
|---|---|---|---|---|
 | 2 | Jasper | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
| 2 | Platte | Same Level IV ecoregion, within 5 miles | Missouri Alluvial Plain |
| 4 | Andrew | Same Level IV ecoregion, within 10 miles | Rolling Loess Prairies |
| 4 | Barton | Same Level IV ecoregion, within 10 miles | Springfield Plateau |
| 4 | Bates | Same Level IV ecoregion, within 10 miles | Wooded Osage Plains |
| 4 | Clinton | Same Level IV ecoregion, within 10 miles | Rolling Loess Prairies |
| 4 | Lawrence | Same Level IV ecoregion, within 10 miles | Springfield Plateau |
| 4 | Ray | Same Level IV ecoregion, within 10 miles | Rolling Loess Prairies |
| 4 | Stone | Same Level IV ecoregion, within 10 miles | White River Hills |
 | 6 | Cedar | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
| 6 | De Kalb | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies |
| 6 | Greene | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
| 6 | Holt | Same Level IV ecoregion, within 20 miles | Western Loess Hills |
| 6 | Holt | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies |
| 6 | McDonald | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
| 6 | Polk | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
 | 8 | Christian | Same Level IV ecoregion, within 30 miles | Springfield Plateau |
| 8 | Christian | Same Level IV ecoregion, within 30 miles | White River Hills |
| 8 | Henry | Same Level IV ecoregion, within 30 miles | Wooded Osage Plains |
| 8 | Johnson | Same Level IV ecoregion, within 30 miles | Wooded Osage Plains |
| 8 | Lafayette | Same Level IV ecoregion, within 30 miles | Wooded Osage Plains |
| 8 | Lafayette | Same Level IV ecoregion, within 30 miles | Missouri Alluvial Plain |
| 8 | Nodaway | Same Level IV ecoregion, within 30 miles | Rolling Loess Prairies |
| 8 | Saint Clair | Same Level IV ecoregion, within 30 miles | Cherokee Plains |
| 8 | Taney | Same Level IV ecoregion, within 30 miles | White 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
- Family:
- Scincidae Gray, 1825 - Skinks
- Genus:
- Plestiodon Duméril and Bibron, 1839 - Toothy Skinks
- Species:
- Plestiodon obsoletus Baird and Girard, 1852 - Great Plains Skink
Recent Taxonomic Synonyms
- Eumeces obsoletus