The Collaborative International Dictionary of English v.0.48:

Artemia \Ar*te"mi*a\ ([aum]r*t[e^]"m[i^]*[.a]), n. [NL., fr. Gr.
   'A`rtemis, a Greek goddess.] (Zool.)
   A genus of phyllopod Crustacea found in salt lakes and
   brines; the brine shrimp. See Brine shrimp.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Artemia
    n 1: fairy shrimp; brine shrimp [syn: Artemia, genus
         Artemia, Chirocephalus, genus Chirocephalus]