Dexteria floridana (Dexter, 1953)

Florida fairy shrimp



Taxonomy & Nomenclature

Synonym/s: Eubranchipus floridanus Dexter, 1953 (original combination)


Conservation Status


Last record: 1939 or later

IUCN RedList status: Critically Endangered


This species was declared officially extinct on 5 October 2011 (source).



a single temporary pool c.6 km south of Gainesville, Alachua County, Florida, USA


"Rogers (2002) speculated this population may be extirpated, but the species might exist in some undeveloped portions of the state or possibly Cuba."

(Dinkins et al., 2022)


Biology & Ecology




Type locality: "Gainesville, 4 Mile S of, Alachua County, Florida, USA"

Paratype: USNM 184607 (4 specimens; sexes unspecified)

For full details of this lot search "Dexteria floridana" at:






Original scientific description:

Dexter, R. W. (1953). Studies on North American fairy shrimps with the description of two new species. American Midland Naturalist 49: 751-771.


Other references:

Almquist, David T. Invertebrate Zoologist, Florida Natural Areas Inventory, Tallahassee, FL

Dinkins, Barbara J., Dinkins, Gerald R. and Rogers, D. Christopher. (2022). First Report of Eubranchipus stegosus Rogers, Jensen, & Floyd, 2004 (Crustacea: Branchiopoda: Anostraca) from Florida. Southeastern Naturalist 21(1): N12-N18.

Fitzpatrick, J. F. Jr. (1983). How to Know the Freshwater Crustacea. Dubuque: Iowa: Wm. C. Brown Co. Publishers. 277 pp.

Inland Water Crustacean Specialist Group. (1996a). Dexteria floridana. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. ( Downloaded on 25 April 2011.

Inland Water Crustacean Specialist Group. (1996b). Dexteria floridana. The IUCN Red List of Threatened Species 1996: e.T6519A12786928. Downloaded on 31 October 2021.

McLaughlin, P.A., D.K. Camp, M.V. Angel, E.L. Bousfield, P. Brunel, R.C. Brusca, D. Cadien, A.C. Cohen, K. Conlan, L.G. Eldredge, D.L. Felder, J.W. Goy, T. Haney, B. Hann, R.W. Heard, E.A. Hendrycks, H.H. Hobbs III, J.R. Holsinger, B. Kensley, D.R. Laubitz, S.E. LeCroy, R. Lemaitre, R.F. Maddocks, J.W. Martin, P. Mikkelsen, E. Nelson, W.A. Newman, R.M. Overstreet, W.J. Poly, W.W. Price, J.W. Reid, A. Robertson, D.C. Rogers, A. Ross, M. Schotte, F. Schram, C. Shih, L. Watling, G.D.F. Wilson, and D.D. Turgeon. 2005. Common and scientific names of aquatic invertebrates from the United States and Canada: Crustaceans. American Fisheries Society Special Publication 31: 545 pp.

Rogers, D. Christopher. (2002). A morphological re-evaluation of the anostracan families Linderiellidae and Polyartemiidae, with a redescription of the linderiellid Dexteria floridana (Dexter 1956) (Crustacea: Branchiopoda). Hydrobiologia 486(1): 57-61. doi:10.1023/A:1021326129460. [Abstract]

Rogers, D. Christopher. (2013). Anostraca catalogus (Crustacea: Branchiopoda). Raffles Bulletin of Zoology 61(2): 525-546.

Rogers, D. Christopher and Hann, B. J. (2016). Class Branchiopoda (in Chapter 16, Phylum Arthropoda), pp. 437-477. In: Thorp, J. H. and Rogers, D. C. (eds.). Thorp and Covich’s Freshwater Invertebrates, 4th edition, Volume II: Keys to Nearctic Fauna. Academic Press.

U.S. Fish and Wildlife Service (USFWS). (2011). Endangered and threatened wildlife and plants; partial 90-day finding on a petition to list 404 species in the southeastern United States as threatened or endangered with critical habitat. Federal Register 76(194):1-21.


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