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Showing results for tags 'polypora'.
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The Devonian period is known as "The Age of Fish", but could also be known as "The Age of Brachiopods." In the Early / Lower Devonian, brachiopods reached the height of their diversity towards its end in the Emsian. We see the ancestral groups occurring, lingulids, craniids, orthids, protorthids, pentamerids, rhynchonellids and strophomenids, as well as the later successful groups we have seen before such as atrypids, athyrids and orthotetids, plus the rise of spiriferids, spiriferinids and productids and the beginning of the terebratulids. By the end of the Devonian , several of these g
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- pentremitidea archiaci
- cordillera cantabrica
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Tagged with:
- pentremitidea archiaci
- cordillera cantabrica
- cryptoschisma schultzi
- erfoud
- cryptoschisma schultzii
- reedops
- goniatites
- panenka
- draa
- assa
- yeraifa formation
- assie de nkhaila member
- cuninulus
- cuninulus assaensis
- ferronia subspeciosa
- ferronia
- ranees group
- aguion formation
- plicathyris ezquerrai
- plicathyris
- area de bonar
- early devonian
- lochkovian
- pragian
- lower devonian
- emsian
- bryozoa
- tabulata
- crenulipora
- morocco
- crenulipora difformis
- leptotrypella
- kalkberg
- fenestella
- fenestellid
- helderberg group
- fenestrata
- helderberg
- new york
- kalkberg formation
- schoharie
- usa
- gypidula
- pentamerid
- pentamerida
- trepostome
- gypidula galeata
- trepostomata
- thamniscus
- polypora
- discomyorthis
- polypora lilia
- atrypa
- discomyorthis oblata
- atrypa reticularis
- orthid
- orthida
- atrypida
- rhynchonellida
- rhynchonellid
- atrypid
- uncinulus
- uncinulus pyramidatus
- athyrida
- athyrid
- meristella
- meristella laevis
- concinnispirifer
- spiriferid
- sprifer
- speriferida
- costellispirifer
- bivalve
- costellisprifer concinnus
- bivalvia
- mollusca
- colorado quarry
- mollusc
- becraft
- becraft m