Grès de May Formation
20 distinct taxa, from 25 fossil occurrences the Paleobiology Database records under this name, spanning 471–443 Mya.
Calvados, Orne · FR
20 taxa · 25 fossils · 471–443 MyaLoading coastlines…
4 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
- Crozonaspis incerta
- Eohomalonotus
- Eohomalonotus sdzuyi
- Eohomalonotus vicaryi
- Kerfornella brevicaudata
- Calymenella
- Eohomalonotus brongniarti
- Eohomalonotus incertus
- Homalonotus
- Iberocoryphe
- Iberocoryphe deslongchampsi
- Iberocoryphe fugitivus
- Iberocoryphe serratus
- Kerfornella
- Marrolithus
- Modiolopsis
- Modiomorpha
- Mucronaspis
- Orthis
- Plaesiacomia rara
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.