Mesonacinae
| Mesonacinae Temporal range: 516–513 Ma Botomian |
|
|---|---|
 |
|
| Mesonacis vermontanus, late Lower Cambrian, Australia, Courtesy of Sam Gon III. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Redlichiida |
| Family: | Olenellidae |
| Subfamily: |
Mesonacinae Walcott, 1890 |
| Genera | |
|
|
The Mesonacinae comprise an extinct subfamily of trilobites that lived during the Botomian, found in North-America, Greenland and North-Western Scotland. The two genera in this subfamily are Mesonacis and Mesolenellus.
...
Wikipedia