C3E1R1A1T1O1D2U1S1
12 points
CERATODUS is validvalid
an extinct lungfish of genus Ceratodus [n CERATODUSES]
(Greek) a genus of ganoid fishes, with lungs so well developed that they can leave the water and breathe in air [n -ES]
an extinct lungfish of genus Ceratodus [n CERATODUSES]
(Greek) a genus of ganoid fishes, with lungs so well developed that they can leave the water and breathe in air [n -ES]