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Ichthyosaur

ลองค้นหาคำในรูปแบบอื่น: -ichthyosaur-, *ichthyosaur*

WordNet (3.0)WordNet (3.0)

(n)any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs

ichthyosauria

(n)extinct marine reptiles: ichthyosaurs, Syn.order Ichthyosauria

ichthyosauridae

(n)later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres, Syn.family Ichthyosauridae

ichthyosaurus

(n)ichthyosaurs of the Jurassic

The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)

Ichthyosaur

n. [ Cf. F. ichthyosaure. ] (Paleon.) One of the Ichthyosaura. [ 1913 Webster ]

Ichthyosauria

‖n. pl. [ NL. See Ichthyosaurus. ] (Paleon.) An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period. [ 1913 Webster ]

Ichthyosaurian

a. (Paleon.) Of or pertaining to the Ichthyosauria. -- n. One of the Ichthyosauria. [ 1913 Webster ]

Ichthyosaurus

‖n.; pl. Ichthyosauri [ NL., fr. Gr. 'ichqy`s, -y`os, a fish + say^ros a lizard. ] (Paleon.) An extinct genus of marine reptiles; -- so named from their short, biconcave vertebræ, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oölitic, and Cretaceous formations. [ 1913 Webster ]