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Webster 1913 Edition


Placodermi


Placˊo-der′mi

,
Noun.
pl.
[NL., fr. Gr.
πλάξ
,
πλακός
, a tablet +
δέρμα
skin.]
(Paleon.)
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
.

Definition 2024


Placodermi

Placodermi

Translingual

Proper noun

Placodermi

  1. A taxonomic class within the infraphylum Gnathostomata placoderms, extinct armored fish that lived from the Silurian to the Devonian periods.

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Hypernyms

Hyponyms