De Geerdalen Formation
54 distinct taxa, from 87 fossil occurrences the Paleobiology Database records under this name, spanning 237–201 Mya.
Barentsøya, Barentsøya, Edgeøya · SJ
54 taxa · 87 fossils · 237–201 MyaFiled under the Kapp Toscana Group. Members recorded: Isfjorden, Wilhelmøya.
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8 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
- Cardinia
- Meleagrinella antiqua
- Asterotheca
- Estheria minuta
- Estheriina
- Halobia
- Halobia celtica
- Halobia distincta
- Halobia fallax
- Halobia gracilis
- Halobia norica
- Halobia obruchevi
- Halobia plicosa
- Halobia zitteli
- Lima
- Lingularia polaris
- Lioestheria
- Pterosirenites nelgehensis
- Pterosirenites obrucevi
- Sphaerestheria
- Stolleyites tenuis
- Unionites letticus
- Cladophlebis shensiensis
- Curionia
- Equisetites
- Eumorphotis
- Eustheria
- Gervillia
- Halobia aotii
- Halobia maximiliani
- Halobia superba
- Homomya
- Lingula
- Macrotaeniopteris
- Marattiopsis
- Meleagrinella formosa
- Modiolus
- Nathorstites
- Neocalamites hoerensis
- Nuculana (Nuculana)
The 40 most often recorded, of 54.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.