Harkless Formation
65 distinct taxa, from 110 fossil occurrences the Paleobiology Database records under this name, spanning 539–507 Mya.
Nevada, California · US
65 taxa · 110 fossils · 539–507 MyaMembers recorded: Upper, Saline Valley.
Macrostrat dates this rock 528–516 Ma. 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
- Olenellus
- Echinodermata
- Porifera
- Salterella
- Trilobita
- Bergaueria
- Brachiopoda
- Mollusca
- Ogygopsis
- Pelagiella
- Archaeocyatha
- Bonnia
- Chancelloriida
- Hyolitha
- Kyrshabaktella
- Metaldetes
- Olenellidae
- Olenellus (Paedeumias)
- Palaeostomata
- Renalcis
- Skolithos bulbus
- Volborthella
- Archaeocyathus
- Archaeosycon
- Arrythmocricus
- Bergaueria radiata
- Bivalvia
- Bonnia caperata
- Cruziana
- Eothele spurri
- Goldfieldia pacifica
- Hadrotreta primaea
- Harklessia yuenglingensis
- Hyolithellus insolitus
- Hyolithida
- Lidaconus palmettoensis
- Ogygopsis klotzi
- Olenellus gilberti
- Olenellus nevadensis
- Olenoides
The 40 most often recorded, of 65.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.