Smithwick Formation
34 distinct taxa, from 53 fossil occurrences the Paleobiology Database records under this name, spanning 319–307 Mya.
Texas · US
34 taxa · 53 fossils · 319–307 MyaFiled under the Bend Group.
Macrostrat dates this rock 317–312 Ma. Macrostrat’s own record
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6 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
- Paralegoceras texanum
- Boesites (Eoboesites) scotti
- Apotocardium cordatum
- Diaboloceras neumeieri
- Eoasianites smithwickensis
- Eowellerites moorei
- Gastrioceras occidentale
- Hebetorthoceras brokenarrowense
- Paralegoceras (Diaboloceras) varicostatum
- Phaneroceras compressum
- Proshumardites primus
- Pseudopronorites arkansiensis
- Pseudorthoceras knoxense
- Retispira bellireticulata
- Straparollus (Straparollus) savagei
- Agathiceras
- Ammonoidea
- Animalia
- Boesites
- Branneroceras branneri
- Clistoceras
- Colapterochiton decorus
- Edestus minor
- Edmondia glabra
- Eowellerites
- Metapronorites
- Neoicoceras
- Paralegoceras iowense
- Phaneroceras lenticulare
- Pharkidonotus megalius
- Polidevcia bellistriata
- Pseudoparalegoceras bellilineatum
- Pseudopronorites
- Stenopronorites sersoni
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.