Metacalymene is a genus of
trilobite
Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most succ ...
s in the order
Phacopida
Phacopida ("lens-face") is an order of trilobites that lived from the Late Cambrian to the Late Devonian. It is made up of a morphologically diverse assemblage of taxa in three related suborders.
Characteristics
Phacopida had 8 to 19 thoraci ...
, family
Calymenidae
Calymenidae is a family (biology), family of trilobites, containing the following genera:
*''Alcymene''
*''Apocalymene''
*''Arcticalymene''
*''Calymene''
*''Calymenella''
*''Calymenesum''
*''Colpocoryphe''
*''Dekalymene''
*''Diacalymene''
*''Flex ...
. This genus is considered monotypic, containing only the type species:
* ''Metacalymene baylei'' Barrande, 1846.
These trilobites were nektobenthic detritivore. They lived in the
Silurian
The Silurian ( ) is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the third and shortest period of t ...
period in the
Ludlow epoch
In the geological timescale, the Ludlow Epoch (from 427.4 ± 0.5 million years ago to 423.0 ± 2.3 million years ago) occurred during the Silurian Period, after the end of the Homerian Age. It is named for the town of Ludlow in Shropshire, Engl ...
, from 422.9 ± 1.5 to 418.7 ± 2.8 million years ago.
Distribution
Silurian of the
Czech Republic
The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...
.
References
Biolib''Selenopeltis''
in the Paleobiology Database
The Paleobiology Database (PBDB) is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms.
History
The Paleobiology Database originated in the NCEAS-funded Phanerozoic Marine Pale ...
*Sepkoski, Jac
Sepkoski's Online Genus Database – Trilobita
*DJ Siveter – 1979
Metacalymene Kegel, 1927, a Calymenid Trilobite from the Kopanika Formation (Silurian) of Bohemia
Calymenidae
Silurian trilobites
Trilobites of Europe
Phacopida genera
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