title: Bihenduloceras
text: # Bihenduloceras
  
  Bihenduloceras is an Upper Jurassic perisphinctacean ammonite and member of the olcostephanid subfamily Spiticeratine. Its shell has a subquadrate whorl section, flattended venter, and fine ribs that spring in bundles from large umbilical tubercles.
  
  