Key:  Family Alpheidae

Phylum Arthropoda
 Subphylum Crustacea
  Class Malacostraca
   Subclass Eumalacostraca
    Superorder Eucarida
     Order Decapoda
      Suborder Pleocyemata
       Infraorder Caridea

Taken primarily from  Kozloff, 1987, 1996  (Copyright 1987, 1996, University of Washington Press.  Used in this web page by permission of University of Washington Press)

An excellent alternate, up to date key can be found in Wicksten 2009 page 132.
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1a  Frontal edge of carapace with an obvious indentation; propodus of cheliped (exclusive of the fixed claw) about as wide as long Betaeus setosus
1b Frontal edge of carapace slightly convex or nearly straight, definitely without an indentation; propodus of cheliped more than twice as long as wide Betaeus harrimani

Taxonomic Levels Represented in This Key:

  Betaeus harrimani

Page created by Dave Cowles, 2005
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