Gerster Formation
57 distinct taxa, from 1,192 fossil occurrences the Paleobiology Database records under this name, spanning 267–254 Mya.
Nevada, Utah · US
57 taxa · 1,192 fossils · 267–254 MyaFiled under the Park City Group.
Macrostrat places this rock in the Park City Group. Macrostrat’s own record
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13 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
- Bryozoa
- Xestotrema pulchrum
- Crinoidea
- Echinauris subhorrida
- Composita mira
- Ctenalosia fixata
- Cleiothyridina
- Bathymyonia nevadensis
- Grandaurispina
- Derbyia sulca
- Yakovlevia multistriata
- Hustedia elongata
- Dielasma phosphoriensis
- Quadrochonetes
- Pectinoidea
- Kuvelousia leptosa
- Fenestrata
- Plectelasma
- Sphenosteges hispidus
- Timaniella pseudocamerata
- Phrenophoria
- Odontospirifer
- Rugosa
- Cenorhynchia
- Waagenites
- Anemonaria delicatula
- Aviculopecten
- Cyrtorostra
- Dyoros
- Hemiptychina quadricostata
- Girtypecten
- Composita parasulcata
- Acanthopecten
- Echinalosia
- Kingopora inflata
- Morozoviella curriensis
- Polyporella
- Rectifenestella cordiretiformis
- Spiriferella scobina
- Wjatkella hemiseptifera
The 40 most often recorded, of 57.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.