Garden City Formation
181 distinct taxa, from 494 fossil occurrences the Paleobiology Database records under this name, spanning 489–457 Mya.
Idaho, Utah, Nevada · US
181 taxa · 494 fossils · 489–457 MyaMembers recorded: "Upper Cherty", Upper, Lower, Upper Cherty.
Macrostrat dates this rock 490–465 Ma. Macrostrat’s own record
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14 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
- Diparelasma
- Hesperonomia
- Menoparia genalunata
- Hystricurus
- Aulacoparia
- Syntrophopsis
- Licnocephala
- Parahystricurus
- Tritoechia
- Calathium
- Psalikilus typicum
- Blastoidocrinus carchariaedens
- Hyperbolochilus
- Peltabellia
- Protopliomerella contracta
- Psephosthenaspis pseudobathyurus
- Anomalorthis
- Asaphellus
- Psalikilus
- Trigonocerca typica
- Amblycranium cornutum
- Benthamaspis
- Clelandia utahensis
- Gladiatoria gladiator
- Isoteloides
- Licnocephala bicornuta
- Menoparia
- Rossaspis superciliosa
- Bearriverops loganensis
- Bellefontia acuminiferentis
- Flectihystricurus flectimembrus
- Genalaticurus genalatus
- Goniophrys prima
- Hillyardina semicylindrica
- Hypothetica rawi
- Hystricuridae
- Orthis subalata
- Pachycranium
- Paenebeltella vultulata
- Parahystricurus pustulosus
The 40 most often recorded, of 181.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.