Akmonistion
| Akmonistion Temporal range:
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| Complete skeleton of A. zangerli (HMV8246, Hunterian Museum, University of Glasgow). Photograph taken by Dr. Keith Ingham, published in Coates & Sequira, 2001. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Order: | †Symmoriiformes |
| Family: | †Stethacanthidae |
| Genus: | †Akmonistion |
| Species: | †A. zangerli
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| Binomial name | |
| †Akmonistion zangerli Coates & Sequeira, 2001
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Akmonistion is an extinct genus of holocephalian that lived in the Early Carboniferous. The genus contains a single species, A. zangerli. It is distinguished by an unusual enlarged formation of the dorsal fin, called a "spine-brush complex", of unknown function. This is also found in the better known genus Stethacanthus. Remains have only been found near Bearsden in Scotland.[1][2]
References
- ^ Coates, M.I.; Sequeira, S.E.K. (2001). "A new stethacanthid chondrichthyan from the lower Carboniferous of Bearsden, Scotland" (PDF). Journal of Vertebrate Paleontology. 21 (3): 438–459. doi:10.1671/0272-4634(2001)021[0438:anscft]2.0.co;2.
- ^ "Akmonistion zangerli". Palaeobiology Database.
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