Placodermi

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Translingual

Etymology

New Latin, from Ancient Greek stem of πλάξ (pláx, “something broad or flat”) + δέρμα (dérma, “skin”).

Proper noun

†Placodermi

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

Usage notes

A paraphyletic group, likely to remain useful for fossils.

Hypernyms

(class): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata - subphylum; Gnathostomata - infraphylum

Hyponyms

(class): †Antiarchi, †Arthrodira, †Brindabellaspida, †Petalichthyida, †Phyllolepida, †Ptyctodontida, †Rhenanida, †Acanthothoraci, †Pseudopetalichthyida, †Stensioellida - orders

References

Placodermi on Wikipedia.Wikipedia
Placodermi on Wikispecies.Wikispecies
Category:Placodermi on Wikimedia Commons.Wikimedia Commons
Placodermi at Paleobiology Database

Wikious

Boobota

Sagapedia