Alcolea Formation
25 distinct taxa, from 43 fossil occurrences the Paleobiology Database records under this name, spanning 423–393 Mya.
Guadalajara · ES
25 taxa · 43 fossils · 423–393 MyaMembers recorded: Al-4.
Loading coastlines…
1 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
- Homalonotidae
- Leptostrophia
- Nucleospira
- Platyorthis
- Actinopteria
- Bivalvia
- Chonetidae
- Dalmanellidae
- Grammysia
- Microsphaeridiorhynchus nucula
- Delthyris
- Gastropoda
- Howellella
- Lanceomyonia
- Mutationella
- Nuculites
- Orthoceratidae
- Podolella
- Protochonetes
- Pteronitella
- Rhynchonellidae
- Salopina
- Shaleria
- Spirifer mercurii
- Tentaculites
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.