Hubricht's Cave Flatworm
Sphalloplana hubrichti (Hyman, 1945)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Platyhelminthes |
| Class | Turbellaria |
| Order | Tricladida |
| Family | Kenkiidae |
| Genus | Sphalloplana |
| Species | Sphalloplana hubrichti (Hyman, 1945) |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
- Maximum length
- 20 mm
Distribution
Type locality
Kolms Cave, Sainte Genevieve Co. MO
Range
Known from nine counties across two states in the Ozarks karst region.
Continent
North America
Country
United States
States and provinces
Illinois, Missouri
Counties
- Illinois
- Jackson, Monroe, Randolph, St. Clair, Union
- Missouri
- Jefferson, Perry, Pulaski, St. Genevieve
Karst regions
Ozarks
Specimens
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 21 |
21 cataloged lots in 1 collection. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.
Download all 21 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G2G4 Imperiled to Apparently Secure
Global rank last reviewed 21 August 2002.
Subnational ranks
- Illinois
- SNR Unranked
- Missouri
- S1 Critically Imperiled
Ranks looked up 23 August 2026. Conservation status changes, and a rank here is as current as that date and no more.
State and federal status
Not listed under the U.S. Endangered Species Act.
Other resources
References
- Carpenter, J.H. 1970a. Systematics and ecology of cave planarians of the United States. University of Kentucky, Lexington, Kentucky, USA. 213 pp.
- Kenk, R. 1977a. Freshwater tricads (Turbellaria) of North America, IX: The genus Sphalloplana. Smithsonian Contributions to Zoology 246: 1–38. https://repository.si.edu/bitstreams/d38e70a7-fb46–474c-9ea0-f202898980ba/download. details
- Lewis, J.J. & Bowman, T.E. 1981. The subterranean asellids (Caecidotea) of Illinois (Crustacea: Isopoda: Asellidae). Smithsonian Contributions to Zoology 335: 1–66. doi:10.5479/si.00810282.335
- Lewis, J.J., Moss, P., Tecic, D. & Nelson, M.E. 2003. A conservation focused inventory of subterranean invertebrates of the southwestern Illinois karst. Journal of Cave and Karst Studies 65: 9–21.
- Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
- Peck, S.B. & Lewis, J.J. 1978. Zoogeography and evolution of the subterranean invertebrate faunas of Illinois and southeastern Missouri. National Speleological Society Bulletin 40: 39–63.
- Webb, D.W., Taylor, S.J. & Krejca, J.K. 1993. The biological resources of Illinois caves and other subterranean environments. Illinois Natural History Survey, Champaign, Illinois, USA. 143 pp.
This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.