Family Raninidae - frog crabs

  Order
:
  Class
:
Malacostraca
  No. of Genera in Ref
:
  No. of Species in Ref
:
46
  Environment
:
Fresh : No | Brackish : No | Marine : Yes
  Aquarium
:
  First Fossil Record
:
     
Ref..   De Grave, S., N. Dean Pentcheff, S.T. Ahyong, T.-Y. Chan, K.A. Crandall, P.C. Dworschak, D.L. Felder, R.M. Feldmann, C.H.J.M. Fransen, L.Y.D. Goulding, R. Lemaitre, M.E.Y. Low, J.W. Martin, P.K.L. Ng, C.E. Schweitzer and S.H. … Tan 2009
  Remark
:
Includes the Symethidae (furry lobsters) from Ref. 4 as a subfamily (Symethinae). Also known as spanner crabs. Carapace longitudinally ovate; dorsal surface strongly granulose or squamose to smooth; from triangular, narrow. Third maxillipeds very narrow, merus distinctly triangular. Eyestalks long, longer than front. Fingers of chela strongly bent; at least 1 pair of legs with last 2 or 3 segments paddle-like. Thoracic sternum very narrow, especially sternites 5 to 7. All male abdominal segments distinct, movable (Ref. 343).
  Etymology
:
  Division
:
Marine
  Reproductive guild
:
  Typical activity level
:
  Main Ref
:
  Coordinator
:

Ref.
[ e.g. 9948]                       
Glossary
                    [ e.g. cephalopods]


php script by , 06/10/2010 ,  last modified by mortiz, 09/09/2010