Wikipedia
Metacalymene
Metacalymene is a genus of trilobites in the order Phacopida, family Calymenidae. This genus is considered monotypic, containing only the type species:
- Metacalymene baylei Barrande, 1846.
These trilobites were nektobenthic detritivore. They lived in the Silurian period in the Ludlow age, from 422.9 ± 1.5 to 418.7 ± 2.8 million years ago.