Placodermi
Translingual edit
Etymology edit
New Latin, from Ancient Greek stem of πλάξ (pláx, “something broad or flat”) + δέρμα (dérma, “skin”).
Proper noun edit
†Placodermi
- A taxonomic class within the infraphylum Gnathostomata – placoderms, extinct armored fish that lived from the Silurian to the Devonian periods.
Usage notes edit
- A paraphyletic group, likely to remain useful for fossils.
Hypernyms edit
- (class): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata - subphylum; Gnathostomata - infraphylum
Hyponyms edit
- (class): †Antiarchi, †Arthrodira, †Brindabellaspida, †Petalichthyida, †Phyllolepida, †Ptyctodontida, †Rhenanida, †Acanthothoraci, †Pseudopetalichthyida, †Stensioellida - orders
References edit
Placodermi on Wikipedia.Wikipedia 
Placodermi on Wikispecies.Wikispecies 
Category:Placodermi on Wikimedia Commons.Wikimedia Commons - Placodermi at Paleobiology Database
