Phlyctaeniidae

Phlyctaeniidae Temporal range: Devonian
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Infraphylum:	Gnathostomata
Class:	Placodermi
Order:	Arthrodira
Family:	Phlyctaeniidae
Genera
Aggeraspis Arctaspis Arctolepis Cartieraspis Diadsomaspis Dicksonosteus Elegantaspis Gaspeaspis Heintzosteus Heterogaspis Huginaspis Kolpaspis Kueichowlepis Lyhoalepis Neophlyctaenius Pageauaspis Phlyctaenius Prosphymaspis

Phlyctaeniidae is an extinct family of placoderm fishes that lived during the Devonian period, mainly in Norway and North America.

ORDER ARTHRODIRA

Henry Weed Fowler (1947). New taxonomic names of fish-like vertebrates. 

...
Wikipedia