Definition of ichthyosaur in English:

Share this entry

ichthyosaur

Pronunciation: /ˈɪkθɪəsɔː/
(also ichthyosaurus /ˌɪkθɪəˈsɔːrəs/)

noun

A fossil marine reptile of the Mesozoic era, resembling a dolphin with a long pointed head, four flippers, and a vertical tail.
  • Order Ichthyosauria, subclass Diapsida: numerous genera, including Ichthyosaurus
Example sentences
  • They included the great marine reptiles such as ichthyosaurs and plesiosaurs, but also smaller creatures such as ammonites and belemnites - the precursor's of today's squid.
  • Vertebrate remains include isolated skeletal elements and tooth plates of palaeonisciform and actinopterygian fish, as well as body fossils of ichthyosaurs and other marine reptiles.
  • More distantly related to true dinosaurs were the marine plesiosaurs and ichthyosaurs.

Origin

Mid 19th century: from ichthyo- 'fish' + Greek sauros 'lizard'.

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.