Sigaspis: Difference between revisions
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'''''Sigaspis''''' is an [[extinct]] [[monospecific]] [[genus]] of [[arthrodire]] [[placoderm]] fish from the [[Early Devonian]] period. The [[type species]] '''''Sigaspis lepidophora''''' was [[scientifically described|described]] by [[Daniel Goujet]] in 1973, and was found on the island of [[Spitsbergen]], [[Svalbard]] in [[Norway]].<ref>{{cite journal |last=Goujet |first=Daniel |date=January 1973 |title=Sigaspis, un nouvel arthrodire du Dévonien inférieur du Spitsberg |journal=Palaeontographica Abteilung A |volume=143 |pages=73–88 |url=https://www.researchgate.net/publication/290391621_Sigaspis_un_nouvel_arthrodire_du_Devonien_inferieur_du_Spitsberg }}</ref> |
'''''Sigaspis''''' is an [[extinct]] [[monospecific]] [[genus]] of [[arthrodire]] [[placoderm]] fish from the [[Early Devonian]] period. The [[type species]] '''''Sigaspis lepidophora''''' was [[scientifically described|described]] by [[Daniel Goujet]] in 1973, and was found on the island of [[Spitsbergen]], [[Svalbard]] in [[Norway]].<ref>{{cite journal |last=Goujet |first=Daniel |date=January 1973 |title=Sigaspis, un nouvel arthrodire du Dévonien inférieur du Spitsberg |journal=Palaeontographica Abteilung A |volume=143 |pages=73–88 |url=https://www.researchgate.net/publication/290391621_Sigaspis_un_nouvel_arthrodire_du_Devonien_inferieur_du_Spitsberg }}</ref> |
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It is one of the more [[Basal (phylogenetics)|basal]] members of the [[Order (biology)|order]] [[Arthrodira]], as shown in the [[cladogram]] below:{{ |
It is one of the more [[Basal (phylogenetics)|basal]] members of the [[Order (biology)|order]] [[Arthrodira]], as shown in the [[cladogram]] below:{{Phylogeny/Actinolepidoidei}} |
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== References == |
== References == |
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Latest revision as of 01:20, 29 June 2024
| Sigaspis Temporal range: Early Devonian,
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Genus: | †Sigaspis Goujet, 1973 |
| Species | |
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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]
Actinolepidoidei
Phlyctaeniina |
References
[edit]- ^ 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" (PDF). Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.
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