Keywords

#girvanella

Girvanella

Genus of prokaryotes

Girvanella is a fossil thought to represent the calcified sheath of a filamentous cyanobacterium known from the Burgess Shale and other Cambrian fossil deposits. Specimens are also known from the Early Ordovician San Juan Formation, Argentina.

Mon 13th

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Girvanella Porostromata Lagerstätte Tremp Formation Ahbach Formation Trogkofel Formation Rockslide Formation Devil's Chimney (Gloucestershire) List of the Paleozoic life of Michigan Fossils of the Burgess Shale
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