| Metacalymene Temporal range:
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| Metacalymene baylei from Beroun, Dlauhà, Prague Basin Czech Republic at the National Museum (Prague) | |
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| Genus: | Metacalymene Kegel 1927
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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 epoch, from 422.9 ± 1.5 to 418.7 ± 2.8 million years ago.