Hamra Beds Formation
63 distinct taxa, from 90 fossil occurrences the Paleobiology Database records under this name, spanning 425–423 Mya.
Gotland · SE
63 taxa · 90 fossils · 425–423 MyaLoading coastlines…
2 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
- Kettnerites
- Lonchidium
- Tentaculites
- Acervularia
- Algae
- Anastrophia deflexa
- Anthozoa
- Ascoceras
- Crinoidea
- Eospirifer
- Heliolites
- Ktenoura
- Labechia conferta
- Microsphaeridiorhynchus nucula
- Odessites
- Ptychopleurella bouchardi
- Stromatoporoidea
- Strophomena
- Anticalyptraea
- Atrypa reticularis
- Atrypina barrandii
- Aulopora
- Boucotinskia sulcata
- Camarotoechia
- Cephalopoda
- Coelospira pusilla
- Cyathophyllum
- Delthyris (Delthyris) elevata
- Desquamatia
- Dolerorthis rustica
- Favosites
- Favosites gothlandicus
- Fistulipora
- Gotlandiela contraria
- Heliolites barrandei
- Homoeospira baylei
- Howellella elegans
- Lanceolatites
- Lepidoleptaena
- Lepidoleptaena poulseni
The 40 most often recorded, of 63.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.