Mimetaster
| Mimetaster Temporal range: | |
|---|---|
 | |
| Fossil specimens | |
 | |
| Life restoration in resting posture (note that in life it would have spent much of its time tilted upwards propped up on its large front legs) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Marrellomorpha |
| Order: | †Marrellida |
| Family: | †Mimetasteridae |
| Genus: | †Mimetaster Gürich, 1932 |
| Type species | |
| Mimaster hexagonalis Gürich, 1931 | |
| Species | |
| |
| Synonyms | |
|
Mimaster Gürich, 1931 (preoccupied) | |
Mimetaster is an extinct genus of marrellomorph arthropod. The type species, Mimetaster hexagonalis is known from the Lower Devonian (Pragian-Emsian) Hunsrück Slate, and amongst the most common arthropods from the locality, with over 120 specimens including three juveniles.