Sigaspis

Sigaspis
Temporal range: Early Devonian, 419–393 Ma
Scientific classification Edit this 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]

Eurycaraspis incilis

Lunaspis broilii

Arthrodira
Actinolepidoidei
Phlyctaeniina
  1. ^ Goujet, Daniel (January 1973). "Sigaspis, un nouvel arthrodire du Dévonien inférieur du Spitsberg". Palaeontographica Abteilung A. 143: 73–88.
  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" (PDF). Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.