Definition of Placodermi

1. Noun. Extinct group of bony-plated fishes with primitive jaws.

Exact synonyms: Class Placodermi
Group relationships: Craniata, Subphylum Craniata, Subphylum Vertebrata, Vertebrata
Member holonyms: Placoderm
Generic synonyms: Class



Definition of Placodermi

1. n. pl. An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus.

Medical Definition of Placodermi

1. An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. Origin: NL, fr. Gr, a tablet + skin. Source: Websters Dictionary (01 Mar 1998)

Placodermi Pictures

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Lexicographical Neighbors of Placodermi

placing
placings
placit
placita
placitory
placits
placitum
plack
placket
plackets
placks
placode
placoderm
placodermal
placodermata
placodermi (current term)
placoderms
placodes
placoganoid
placoganoidei
placoid
placoides
placoidian
placoidians
placoids
placophora
placozoa
placozoan
placozoans
placque

Literary usage of Placodermi

Below you will find example usage of this term as found in modern and/or classical literature:

1. Geological Magazine by Henry Woodward (1889)
"... that it is comparatively easy to summarize our present knowledge of their various representatives; but with the placodermi the case is very different, ..."

2. A Guide to the Study of Fishes by David Starr Jordan (1905)
"... the placodermi, and the Teleostei (as well as the higher vertebrates) are ... and to be included with them among the placodermi; that the cephalic ..."

3. A Manual of the Anatomy of Vertebrated Animals by Thomas Henry Huxley (1895)
"The placodermi, comprising the genera ... in their form and arrangement, and it seems probable that the placodermi were ..."

4. Geologisches Zentralblatt (1904)
"The Crossopterygii differ from them in the lobate pectoral fin and in the larger paired guiar plates. The placodermi ..."

5. Geological Magazine by Henry Woodward (1889)
"... that it is comparatively easy to summarize our present knowledge of their various representatives; but with the placodermi the case is very different, ..."

6. A Guide to the Study of Fishes by David Starr Jordan (1905)
"... the placodermi, and the Teleostei (as well as the higher vertebrates) are ... and to be included with them among the placodermi; that the cephalic ..."

7. The American Naturalist by American Society of Naturalists, Essex Institute (1905)
"... primitive sharks, Mr. Regan divides the other fishes into five orders, Chondrostei, Crossopterygii, placodermi, ..."

8. A Manual of the Anatomy of Vertebrated Animals by Thomas Henry Huxley (1895)
"The placodermi, comprising the genera ... in their form and arrangement, and it seems probable that the placodermi were ..."

9. Geologisches Zentralblatt (1904)
"The Crossopterygii differ from them in the lobate pectoral fin and in the larger paired guiar plates. The placodermi ..."

10. The American Naturalist by American Society of Naturalists, Essex Institute (1905)
"... primitive sharks, Mr. Regan divides the other fishes into five orders, Chondrostei, Crossopterygii, placodermi, ..."

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