Silica Formation
293 distinct taxa, from 2,014 fossil occurrences the Paleobiology Database records under this name, spanning 393–382 Mya.
Ohio, Indiana, Michigan · US
293 taxa · 2,014 fossils · 393–382 MyaFiled under the Traverse Group.
Macrostrat places this rock in the Traverse Group. Macrostrat’s own record
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4 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Hederella
- Strophomena (Strophodonta)
- Mucrospirifer
- Aulocystis
- Devonochonetes
- Streblotrypa
- Devonochonetes coronatus
- Hexagonaria
- Eldredgeops rana
- Strophodonta (Strophodonta) demissa
- Fistulipora
- Sulcoretepora
- Leptotrypella
- Acanthoclema
- Devonochonetes scitulus
- Pseudoatrypa devoniana
- Spinocyrtia
- Leiorhynchus
- Protoleptostrophia perplana
- Pholidostrophia
- Thamnoptychia
- Cystiphylloides
- Heterophrentis
- Intrapora
- Megastrophia
- Rhipidothyris
- Aulopora
- Cupularostrum
- Emmonsia
- Helopora
- Leioclema
- Athyris
- Platyostoma lineata
- Schizophoria
- Cyrtina hamiltonensis
- Favosites
- Imbriea
- Mediospirifer audaculus
- Planalveolitella
- Tentaculites
The 40 most often recorded, of 293.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.