Brachythoraci

Brachythoraci is an extinct suborder of arthrodire placoderms, armored fish most diverse during the Devonian. The suborder previously only contained the infraorder Coccosteina, but the more basal family, Heterosteidae is now placed within there too.

Brachythoraci
Temporal range: Devonian
Reconstruction of the coccosteine Coccosteus cuspidatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: †Placodermi
Order: †Arthrodira
Suborder: †Brachythoraci
Contained taxa

Phylogeny

Below is a cladogram from Carr and Hlavin (2010).[1]

Arthrodira 
 

Dicksonosteus arcticus

 
Brachythoraci
 

Holonema westolli

 
 
 

Homosteus

 
 
 

Buchanosteus confertituberculatus

 
Eubrachythoraci
Coccosteomorphi
 

Coccosteus cuspidatus

 
 
 

Camuropiscis

 
 

Harrytoombsia

 
 
 
Pachyosteomorphi
Dunkleosteoidea
Panxiosteidae
 

Panxiosteus ocullus

 
 

Janiosteus timanicus

 
 
Dunkleosteidae
 

Eastmanosteus pustulosis

 
 
 

Eastmanosteus calliaspis

 
 
 

Golshanichthys asiatica

 
 
 

Westralichthys uwagedensis

 
 
 

Dunkleosteus terrelli

 
 

Dunkleosteus raveri

 
 

Dunkleosteus amblyodoratus

 
 
 
 
 
 
 
Aspinothoracidi
 

Rhinosteus parvulus

 
 
 

Gymnotrachelus hydei

 
 
 

Dinichthys herzeri

 
 
 

Heintzichthys gouldii

 
 
 

Gorgonichthys clarki

 
 

Hadrosteus rapax

 
 
 
 
 
 
 
 
 
 
 
 

References


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