Acastocephala
Extinct genus of trilobites
From Wikipedia, the free encyclopedia
Acastocephala is a genus of trilobites from the middle Silurian, known from the United Kingdom.[2]
| Acastocephala Temporal range: Silurian | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Family: | †Acastidae |
| Genus: | †Acastocephala Shergold, 1966 |
| Species | |
Etymology
The name is derived from the genus Acaste and the Ancient Greek κεφαλή (kephalē) "head", indicating the headshield is similar to Acaste.[1]
Taxonomy
Distribution
- Acastocephala macrops occurs in the Middle Silurian of the United Kingdom (Wenlock Shale, Malvern, Worcestershire; Wenlock Limestone, Pen-y-Lan, Cardiff, and Dudley and Ludlow, Ledbury, Hereford).
- Acastocephala dudleyensis has been found in the Middle Silurian of the United Kingdom (Wenlock Limestone, Wren's Nest, Dudley, Worcestershire).[1]