Amecystis
Extinct genus of echinoderms
From Wikipedia, the free encyclopedia
Amecystis is a Palaeozoic genus of rhombiferan echinoderm similar to Pleurocystites, lacking rhombs.[1]
| Amecystis | |
|---|---|
 | |
| Fossil of Amecystis laevis at the Smithsonian National Museum of Natural History | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Informal group: | †Rhombifera |
| Order: | †Dichoporita |
| Superfamily: | †Glyptocystitida |
| Family: | †Pleurocystitidae |
| Genus: | †Amecystis |
