Eryonidae
Eryonidae is a family of fossil decapod crustaceans which lived from the Upper Triassic to the Lower Cretaceous. It contains four genera: An aggregation of three unidentified eryonids was reported in 2012 inside a Late Jurassic ammonoid of the species Harpoceras falciferum; they represent the earliest evidence of gregarious behaviour in decapods.
- Cycleryon Glaessner, 1965
- Eryon A. G. Desmarest, 1817
- Knebelia Van Straelen, 1922
- Rosenfeldia Garassino, Teruzzi & Dalla Vecchia, 1996
| Eryonidae Temporal range: | |
|---|---|
| Eryon acrtiformis | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Superfamily: | Eryonoidea |
| Family: | †Eryonidae De Haan, 1841 |
| Genera | |
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