Source : Webster's Revised Unabridged Dictionary (1913)

Phocodontia \Pho`co*don"ti*a\, n. pl. [NL., fr. Gr. ? a seal +
   ?, ?, a tooth.] (Zo["o]l.)
   A group of extinct carnivorous whales. Their teeth had
   compressed and serrated crowns. It includes Squalodon and
   allied genera.