Associations to the word «Placoderm»
Noun
Adjective
Adverb
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Wiktionary
PLACODERM, noun. A member of an extinct group of fish with armored heads; the group lived during the Silurian and Devonian periods.
Dictionary definition
PLACODERM, noun. Fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws.
Wise words
Every day we should hear at least one little song, read one
good poem, see one exquisite picture, and, if possible,
speak a few sensible words.