Dendrocephalus alachua (Dexter, 1953)

Alachua fairy shrimp, Peninsula fairy shrimp



Taxonomy & Nomenclature

Synonym/s: Branchinella alachua Dexter, 1953


Conservation Status

Last record: 6 July 1947

Rediscovered in 2000 (Rogers et al., 2019)

IUCN RedList status: Endangered


Known only from temporary pools in Alachua County, Florida.



Alachua County, Florida, USA


Biology & Ecology




Holotype: USNM 93538



USNM 93539 (3 specimens, all male)
USNM 184618 (3 specimens; sexes unspecified)
USNM 119770 (5 specimens; 4x male, 1x female)
USNM 119771 (3 specimens; 2x male, 1x female)
USNM 184617 (5 specimens; sexes unspecified)

For fuller accounts of USNM catalogued specimens, search "Branchinella alachua" at






Original scientific description:

Dexter, Ralph W. (1953). Studies on North American fairy shrimps with the description of two new species. American Midland Naturalist 49(3): 751-771. [First page]


Other references:

Belk, D. and Sissom, S. L. (1992). New Branchinella (Anostraca) from Texas, U.S.A., and the problem of antennalike processes. Journal of Crustacean Biology 12:312-316.

Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K.

Inland Water Crustacean Specialist Group. (1996). Branchinella alachua. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. ( Downloaded on 21 July 2012.

Moore, W. G. (1967). The female of Branchinella alachua Dexter (Branchipoda, Anostraca). Transactions of the American Microscopical Society 86(2): 219-220.

Rogers, D. Christopher. (2006). A genus level revision of the Thamnocephalidae (Crustacea: Branchiopoda: Anostraca). Zootaxa 1260: 1-25.

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

Rogers, D. Christopher, Dunn, A. and Price, W. W. (2019). A review of Dendrocephalus (Dendrocephalinus) (Crustacea: Anostraca) with the first records of male-male anostracan aggressive competition. European Journal of Taxonomy 509: 1-14.

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. Christopher (eds.). Thorp and Covich’s Freshwater Invertebrates, 4th edition, Volume II: Keys to Nearctic Fauna. Academic Press.


<< Back to the Branchiopoda (Fairy shrimp, Clam shrimp, etc.) database