Pterygometopidae
From Wikipedia, the free encyclopedia
| Pterygometopidae Temporal range: | |
|---|---|
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| Calliops armatus dorsal view of the cephalon, collected from the Bromide Formation, Sandbian | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Suborder: | †Phacopina |
| Superfamily: | †Phacopoidea |
| Family: | †Pterygometopidae Reed, 1905 |
| Subfamilies | |
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The Pterygometopidae are a family of trilobites, that is known from the Floian to the Katian (Ordovician), and reappears from the Telychian to the Sheinwoodian (Silurian). As part of the Phacopina suborder, its members have schizochroal eyes.
