英和和英

名詞

troodontid (plural troodontids)

1. Any member of the family †Troodontidae of small, bird-like theropod dinosaurs with large brains, large eyes, and a retractable claw on the second toe of each hind foot, similar to a farmer's sickle, used for slashing at prey.
   • 2021 September 21, Karen Hopkin, “Dinosaurs Lived—and Made Little Dinos—in the Arctic”, in Scientific American‎:

     So far, Druckenmiller and his team have dug up species from seven different dino families: from big duck-billed dinos, ceretopsians, and tyrannosaurs to smaller thescelosaurs, leptoceratops, dromaeosaurs, and troodontids.