Altamont Formation
48 distinct taxa, from 84 fossil occurrences the Paleobiology Database records under this name, spanning 313–304 Mya.
Oklahoma, Illinois, Kansas, Missouri · US
48 taxa · 84 fossils · 313–304 MyaFiled under the Marmaton Group. Members recorded: Lake Neosho Shale, Lake Neosho shale, Lake Neosho, Worland limestone.
Macrostrat places this rock in the Marmaton Group, and dates it 308–307 Ma. Macrostrat’s own record
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12 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
- Crinoidea
- Gastropoda
- Mesolobus
- Crurithyris
- Brachiopoda
- Eolissochonetes
- Nucula
- Punctospirifer
- Rhipidomella
- Rhombopora
- Bivalvia
- Fusulinida
- Lophophyllidium
- Trepospira
- Vertebrata
- Agassizodus variabilis
- Amphiscapha
- Astartella
- Bactritoida
- Bisatoceras
- Bryozoa
- Composita
- Enteletes
- Euphemites
- Glabrocingulum
- Glaphyrites
- Glikmanius occidentalis
- Gonioglyphioceras
- Hebetorthoceras brokenarrowense
- Hustedia
- Hyolitha
- Leptozyga
- Lingula
- Lithophaga
- Lophamplexus
- Maximites
- Nautiloidea
- Neodimorphoceras
- Phymatopleura
- Platyceras
The 40 most often recorded, of 48.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.