Ammonoid

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  ammonoid \ammonoid\ n.
     1. one of the coiled chambered fossil shells of extinct
        mollusks; same as {ammonite}.
  
     Syn: ammonite
          [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

  ammonoid
       n : one of the coiled chambered fossil shells of extinct
           mollusks [syn: {ammonite}]