Poleta Formation
103 distinct taxa, from 178 fossil occurrences the Paleobiology Database records under this name, spanning 539–507 Mya.
Nevada, California · US
103 taxa · 178 fossils · 539–507 MyaMembers recorded: Upper, Middle, lower, Lower Mb., middle, Lower, upper.
Macrostrat dates this rock 535–525 Ma. Macrostrat’s own record
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19 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
- Grandinasus argentus
- Nevadella
- Skolithos bulbus
- Ethmophyllum whitneyi
- Nevadia fritzi
- Nevadia weeksi
- Protopharetra
- Archaeocyatha
- Archaeocyathus
- Archaeocyathus arborensis
- Esmeraldina rowei
- Laudonia
- Mesonacis fremonti
- Nevadia gracile
- Obolella excelsis
- Obolella vermilionensis
- Olenellidae
- Trilobita
- Archaeocyathus atlanticus
- Brachiopoda
- Eocrinoidea
- Epiphyton
- Grandinasus auricampus
- Grandinasus patulus
- Kutorgina perugata
- Lathamoserpens sigel
- Metacyathellus
- Montezumaspis cometes
- Obolella
- Olenellus
- Planolites beverleyensis
- Protopharetra junensis
- Pycnoidocyathus (Cambrocyathus)
- Renalcis
- Ajacicyathus nevadensis
- Algae
- Annulofungia
- Archaeocyathida
- Archaeocyathus (Spirocyathus) yavorskii
- Archaeotrypa
The 40 most often recorded, of 103.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.