What's the difference between ichthyology and ichthyosaurus?

Ichthyology


Definition:

  • (n.) The natural history of fishes; that branch of zoology which relates to fishes, including their structure, classification, and habits.

Example Sentences:

  • (1) In the course of ichthyological inventory investigations in the main water-course of the Narew River the occurrence of Tracheliastes polycolpus Nordm.

Ichthyosaurus


Definition:

  • (n.) An extinct genus of marine reptiles; -- so named from their short, biconcave vertebrae, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oolitic, and Cretaceous formations.

Example Sentences: