Sigaspis information

Sigaspis; Temporal range: Early Devonian, 419–393 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Genus:	†Sigaspis; Goujet, 1973
Species
	†Sigaspis lepidophora Goujet, 1973 (type);

Sigaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period. The type species Sigaspis lepidophora was described by Daniel Goujet in 1973, and was found on the island of Spitsbergen, Svalbard in Norway.^[1]

It is one of the more basal members of the order Arthrodira, as shown in the cladogram below:^[2]

Lunaspis broilii

Eurycaraspis incilis

Arthrodira

Yujiangolepis liujingensis

Antarctaspis mcmurdoensis

Wuttagoonaspidae

	Yiminaspis shenme

	Wuttagoonaspis fletcheri

	Aethaspis major

	Aethaspis utahensis

Lehmanosteus hyperboreus

	Aleosteus eganensis

	Simblaspis cachensis

	Kujdanowiaspis buczacziensis

	Kujdanowiaspis podolica

	Erikaspis zychi

	Sigaspis lepidophora

Eskimaspis heintzi

	Baringaspis dineleyi

	Proaethaspis ohioensis

Anarthraspis chamberlini

Heightingtonaspis anglica

Phyllolepida

Gavinaspis convergens

	Phyllolepis orvini

	Austrophyllolepis sp.

	Cowralepis mclachlani

	Placolepis budawangensis

Actinolepidae

Bollandaspis woschmidti

Actinolepis spinosa

	Actinolepis magna

	Actinolepis tuberculata

Bryantolepis brachycephalus

Phlyctaenioidei

Phlyctaeniidae

Groenlandaspidae

Arctaspidae	Dicksonosteus arcticus

	Arctolepidae

Brachythoraci

Actinolepidoidei

Phlyctaeniina

^ Goujet, Daniel (January 1973). "Sigaspis, un nouvel arthrodire du Dévonien inférieur du Spitsberg". Palaeontographica Abteilung A. 143: 73–88.
^ Dupret, V.; Zhu, M. I. N.; Wang, J. N. Q. (2009). "The morphology of Yujiangolepis liujingensis (Placodermi, Arthrodira) from the Pragian of Guangxi (south China) and its phylogenetic significance". Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.

[1] Goujet, Daniel (January 1973). "Sigaspis, un nouvel arthrodire du Dévonien inférieur du Spitsberg". Palaeontographica Abteilung A. 143: 73–88.

[DZW09-2] Dupret, V.; Zhu, M. I. N.; Wang, J. N. Q. (2009). "The morphology of Yujiangolepis liujingensis (Placodermi, Arthrodira) from the Pragian of Guangxi (south China) and its phylogenetic significance". Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.

Sigaspis information

and 30 Related for: Sigaspis information

Sigaspis

Arthrodira

Dunkleosteus

Erikaspis

Dinichthys

Baringaspis

Proaethaspis

Eskimaspis

Antineosteus

Titanichthys

Dhanguura

Bryantolepis

Alienacanthus

Cathlesichthys

Coccosteus

Dunkleosteidae

List of placoderm genera

Gorgonichthys

Yiminaspis

Aggeraspis

Cavanosteus

Migmatocephala

Eastmanosteus

Atlantidosteus

Aethaspis

Heightingtonaspis

Kujdanowiaspis

Kueichowlepis

Jiuchengia

Coccosteidae