Free Translator Free Translator
Translators Dictionaries Courses Other
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'

Placoides   Listen
Placoides  n. pl.  (Zool.) A group of fishes including the sharks and rays; the Elasmobranchii; called also Placoidei.

Collaborative International Dictionary of English 0.48

Advanced search
     Find words:
Starting with
Ending with
Matching a pattern  

Words linked to  

only single words

Share |

"Placoides" Quotes from Famous Books

... allied to Palaeoniscus (called also Palaeothrissum), lies buried beneath the Jura formations in the old carboniferous strata. Scales which, in some fishes, as in the family of Lepidoides (order of Ganoides), are formed like teeth, and covered in certain parts with enamel, belong, after the Placoides, to the oldest forms of fossil fishes; their living representatives are still found in two genera, the 'Bichir' of the Nile and Senegal, and the 'Lepidosteus' ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt

Copyright © 2019