Thermosphaeroma thermophilum Richardson, 1897
Socorro isopod, Socorro sowbug
Taxonomy & Nomenclature
Conservation Status
Extinct in the wild or extinct (Dalrymple et al., 2023)
Last wild record: August 1988 or September 1988
IUCN RedList status: Extinct in the Wild
Distribution
Baja California, Mexico & Socorro County, New Mexico, USA
Biology & Ecology
Hypodigm
USNM 86450 (40 specimens)
USNM 86451 (90 specimens)
USNM 108862 (632 specimens)
USNM 108863 (437 specimens)
Search "Thermosphaeroma thermophilum" at: http://collections.nmnh.si.edu/search/iz/
Media
References
Original scientific description:
Richardson, H. (1897). Description of a new crustacean of the genus Sphaeroma from a warm spring in New Mexico. Proceedings of the U. S. National Museum 20: 465-466.
Other references:
Baillie, J. and Groombridge, B. (eds). 1996. 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.
Dalrymple, S. E., Abeli, T., Ewen, J. G., Gilbert, T. C., Hogg, C. J., Lloyd, N. A., Moehrenschlager, A., Rodríguez, J. P. and Smith, D. (2023). Addressing Threats and Ecosystem Intactness to Enable Action for Extinct in the Wild Species. Diversity 15: 268. https://doi.org/10.3390/d15020268
Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
Inland Water Crustacean Specialist Group. (1996a). Thermosphaeroma thermophilum. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. (http://www.iucnredlist.org). Downloaded on 26 May 2013.
Inland Water Crustacean Specialist Group. (1996b). Thermosphaeroma thermophilum. The IUCN Red List of Threatened Species 1996: e.T21741A9315891. https://dx.doi.org/10.2305/IUCN.UK.1996.RLTS.T21741A9315891.en. Accessed on 11 June 2022.
IUCN. 1990. IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.
Jormalainen V. and Shuster S. M. (1997). Microhabitat segregation and cannibalism in an endangered freshwater isopod, Thermosphaeroma thermophilum. Oecologia 111: 271–279.
Jormalainen V. and Shuster S. M. (1999). Female reproductive cycles and sexual conflict over precopulatory mate-guarding in Thermosphaeroma isopods. Ethology 105: 233–246.
Jormalainen V., Shuster S. M. and Wildey H. C. (1999). Reproductive anatomy, precopulatory mate guarding, and paternity in the Socorro isopod, Thermosphaeroma thermophilum. Mar. Freshwater Behav. Physiol. 32: 39–56.
Ketner R. L., Shuster S. M. and Lang B. K. (2002). The effects of cannibalism on life history characteristics in the endangered Socorro Isopod, Thermosphaeroma thermophilum (Crustacea: Isopoda). J. Arizona-Nevada Acad. Sci. 37: 6–7.
Lang, B. K., D. A. Kelt, and S. M. Shuster. (2006). The role of controlled propagation on an endangered species: demographic effects of habitat heterogeneity among captive and native populations of the Socorro isopod (Crustacea: Flabellifera). Biodiversity and Conservation 2006: (pagination?).
New Mexico Department of Game and Fish. 1988. Handbook of species endangered in New Mexico. Account: A-600.
Richardson, H. 1897. Description of a new crustacean of the genus Sphaeroma from a warm spring in New Mexico. Proceedings United States National Museum 20:465-466.
Shuster, S.M. 1979. Aspects of the life history and reproductive biology of the Socorro isopod, Thermosphaeroma thermophilum (Crustacea: Peracarida). M.Sc. thesis, University of New Mexico.
Shuster, S. M. (1981a). Life history characteristics of Thermosphaeroma thermophilum, the Socorro isopod (Crustacea: Peracarida). Biol. Bull. 161: 291–302.
Shuster S. M. (1981b). Sexual Selection in the Socorro isopod, Thermosphaeroma thermophilum (Cole) (Crustacea: Peracarida). Anim. Behav. 29: 698-707.
Shuster S.M., Miller M.P., Lang B.K., Zorich N., Huynh L. and Keim P. (2005). The effects of controlled propagation on an endangered species: genetic differentiation and divergence in body size among native and captive populations of the Socorro isopod (Crustacea: Flabellifera). Conserv. Genet. 6: 355–368.
United States Fish and Wildlife Service. (1982). Socorro Isopod (Thermosphaeroma thermophilum) Recovery Plan. Albuquerque, New Mexico.
Wells, S.M., Pyle, R.M. and Collins, N.M. (compilers). (1983). The IUCN Invertebrate Red Data Book. IUCN, Gland, Switzerland and Cambridge, UK.