Any of various mostly extinct lobe-finned fishes of the group Coelacanthiformes or Actinistia, known only in fossil form until a living species, Latimeria chalumnae, was identified in 1938. A second Latimeria species was described in 1999.
[New Latin Coelacanthus, former genus name : Greek koilos, hollow; see -COEL + Greek akantha, spine (in reference to the hollow spines of the fins).]
coe′la·canthine′ (-kănthīn′, -thĭn) adj.
coe′la·canthous (-thəs) adj.
(click for a larger image)coelacanth
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