Hale Formation
68 distinct taxa, from 237 fossil occurrences the Paleobiology Database records under this name, spanning 323–315 Mya.
Arkansas, Missouri · US
68 taxa · 237 fossils · 323–315 MyaFiled under the Morrow Group. Members recorded: Prairie Grove, Cane Hill, Upper.
Macrostrat dates this rock 323–320 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
- Pseudorthoceras knoxense
- Adetognathus
- Verneuilites pygmaeus
- Quinnites henbesti
- Quinnites textum
- Cymoceras
- Syngastrioceras globosum
- Composita
- Neosandia
- Pseudopronorites quinni
- Schartymites paynei
- Anthracospirifer
- Branneroceras branneri
- Knightoceras oxylobatum
- Phricodothyris
- Antiquatonia
- Arkanites relictus
- Beecheria
- Gordonites matheri
- Homoceratoides cracens
- Hustedia
- Plicochonetes
- Spiriferellina
- Bactrites gaitherensis
- Declinognathodus noduliferus
- Echinaria
- Glaphyrites morrowensis
- Leptagonia
- Polygnathus
- Pseudopronorites arkansiensis
- Reticuloceras tiro
- Reticuloceras wainwrighti
- Retites semiretia
- Schizophoria
- Syngastrioceras oblatum
- Bisatoceras secundum
- Cancelloceras
- Cleiothyridina
- Dinocycloceras prolixum
- Gnathodus
The 40 most often recorded, of 68.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.