Debeerius
| Debeerius Temporal range:
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| Restoration of Debeerius effelseni, an extinct chondrichtyan | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Holocephali |
| Order: | †Debeeriiformes |
| Family: | †Debeeriidae |
| Genus: | †Debeerius Grogan & Lund, 2000 |
| Species: | †D. ellefseni
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| Binomial name | |
| †Debeerius ellefseni Grogan & Lund, 2000
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Debeerius is a genus of chondrichthyan from the Mississippian age Bear Gulch Limestone of Montana, United States. It is named after Gavin de Beer. One species, D. ellefseni, is known, which is preserved in very fine detail. Melanin preserved in fossils of D. ellefseni indicate it possessed dark stripes down the length of its body. The jaw suspension of Debeerius was autodiastylic (two jointed).[1]
References
[edit]- ^ Eileen D. Grogan & Richard Lund (2000). "Debeerius ellefseni (fam. nov., gen. nov., spec. nov.), an autodiastylic chondrichthyan from the Mississippian Bear Gulch Limestone of Montana (USA), the relationships of the chondrichthyes, and comments on gnathostome evolution". Journal of Morphology. 243 (3): 219–245. doi:10.1002/(SICI)1097-4687(200003)243:3<219::AID-JMOR1>3.0.CO;2-1. PMID 10681469.
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