paleornithology
Pa`le*or`ni*thol"o*gy, n. Etym: [Paleo- + ornithology.] Defn: The branch of paleontology which treats of fossil birds.
Pa`le*or`ni*thol"o*gy, n. Etym: [Paleo- + ornithology.] Defn: The branch of paleontology which treats of fossil birds.