Discoserra
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Extinct genus of ray-finned fishes
| Discoserra pectinodon | |
|---|---|
| Fossil specimen in the Natural History Museum, Vienna | |
| Scientific classification Edit this classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | †Guildayichthyiformes |
| Family: | †Guildayichthyidae |
| Genus: | †Discoserra Lund, 2000 |
| Type species | |
| Discoserra pectinodon Lund, 2000
| |
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Discoserra ("serrated disc") is a prehistoric ray-finned fish from the Mississippian of the Bear Gulch Limestone in Montana. It is a member of the Guildayichthyiformes with a round body and a skull possessing primitive and modern traits.[1] [2] Discoserra is about 60 mm long.[3] In 2006, Discoserra was hypothesized to be a stem neopterygian,[4] although it has alternatively been placed in Cladistia along with other Guildayichthyiformes.[5]
References
[edit ]- ^ Lund, Richard (2000). "The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA)". Geodiversitas. 22 (2).
- ^ Richard Lund, Eileen Grogan, Geodiversitas, 2006
- ^ Fossil Museum
- ^ Kathryn E. Mickle, Unraveling the systematics of palaeoniscoid fish
- ^ Mikko Haaramo. "Cladistia – bichirs and relatives". Mikko's Phylogeny Archive. Retrieved 2013年10月26日.
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