Helmetia
| Helmetia Temporal range:
| |
|---|---|
| Holotype specimen of Helmetia expansa | |
| Diagrammatic reconstruction | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Subphylum: | †Trilobitomorpha |
| Subclass: | †Conciliterga |
| Family: | †Helmetiidae |
| Genus: | †Helmetia Walcott, 1918 |
| Species: | †H. expansa
|
| Binomial name | |
| †Helmetia expansa Walcott, 1918
| |
Helmetia is an extinct genus of arthropods from the middle Cambrian (Wuliuan). Fossils of the type species Helmetia expansa have been found in the Burgess Shale of Canada. It is characterized by a pair of spines in front of its head. It is classified under Conciliterga, a group of trilobitomorph artiopod.