Debeerius

Extinct genus of cartilaginous fish

Debeerius

Temporal range: Mississippian

PreꞒ

Restoration of Debeerius effelseni, an extinct chondrichtyan
Scientific classification
Domain:  | Eukaryota
Kingdom:  | Animalia
Phylum:  | Chordata
Class:  | Chondrichthyes
Subclass:  | Holocephali
Order:  | †Debeeriiformes
Family:  | †Debeeriidae
Genus:  | †Debeerius
Grogan & Lund, 2000
Species:  |

†D. ellefseni

Binomial name
†Debeerius ellefseni

Grogan & Lund, 2000

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 indicates it possessed dark stripes down the length of its body. The jaw suspension of Debeerius was autodiastylic (two jointed).[1]

## References

[edit]

1. ^ 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 10681469.219-245&rft.date=2000&rft_id=info:doi/10.1002/(SICI)1097-4687(200003)243:3<219::AID-JMOR1>3.0.CO;2-1&rft_id=info:pmid/10681469&rft.au=Eileen+D.+Grogan+&+Richard+Lund&rfr_id=info:sid/en.wikipedia.org:Debeerius" class="Z3988">

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