Dicksonosteus

Dicksonosteus; Temporal range: Early Devonian PreꞒ Ꞓ O S D C P T J K Pg N
	D. arcticus fossil
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Clade:	† Phlyctaenioidei
Family:	†Phlyctaeniidae
Genus:	†Dicksonosteus; Goujet, 1975
Type species
	†Dicksonosteus arcticus; Goujet, 1975

Dicksonosteus is an

arthrodire placoderm fish which lived during the Early Devonian period of Spitsbergen, Norway.^[1]

Classification

Within

suborder Brachythoraci.^[1]^[2] Dicksonosteus was once considered an actinolepid, but is now grouped within the family Phlyctaeniidae.^[3] Dicksonosteus is most closely related to Arctolepis and Heintzosteus.^[2]

Description

Artist's reconstruction of *D. arcticus*

Dicksonosteus is considered

benthic fish that subsisted primarily on smaller, softer-bodied animals. Exceptionally preserved fossil specimens of Dicksonosteus from Spitsbergen, Norway

display details of its braincase and internal anatomy, the details of which have been described.^How?

References

^
ISSN 0024-4082
.

^
doi:10.1111/j.1096-3642.2009.00519.x
.

^ Goujet, D. (1975). Dicksonosteus, un nouvel arthrodire du Dévonien du Spitsberg—Remarques sur le squelette viscéral des Dolichothoraci. Colloques internationaux du Centre National de la Recherche Scientifique, 218, 81–99.

[Zhu2016-1] 
ISSN 0024-4082
.

[DZW09-2] 
doi:10.1111/j.1096-3642.2009.00519.x
.

[3] Goujet, D. (1975). Dicksonosteus, un nouvel arthrodire du Dévonien du Spitsberg—Remarques sur le squelette viscéral des Dolichothoraci. Colloques internationaux du Centre National de la Recherche Scientifique, 218, 81–99.

[1]

[2]

[3]