Kirtonryggen Formation
62 distinct taxa, from 87 fossil occurrences the Paleobiology Database records under this name, spanning 483–468 Mya.
Spitsbergen, Svalbard · NO
62 taxa · 87 fossils · 483–468 MyaMembers recorded: Nordporten, Bassisletta, Spora.
Macrostrat places this rock in the Oslobreen Group, in the Hinlopenstretet Supergroup, and dates it 479–471 Ma. Macrostrat’s own record
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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
- Uromystrum affine
- Licnocephala
- Apheoorthis
- Bathyurellus diclementsae
- Benthamaspis conica
- Benthamaspis gibberula
- Bolbocephalus convexus
- Bolbocephalus gunnari
- Bolbocephalus stclairi
- Carolinites
- Catochia hinlopensis
- Chapmanopyge
- Hystricurus
- Ischyrotoma
- Ischyrotoma parallela
- Jeffersonia timon
- Licnocephala brevicauda
- Petigurus groenlandicus
- Phaseolops bobowensi
- Punka latissima
- Schizotreta
- Uromystrum drepanon
- Archaeorthis groenlandica
- Bathyurellus abruptus
- Bathyurine
- Bergstroemognathus
- Bolbocephalus kindlei
- Catochia ornata
- Ceratopeltis bachensis
- Chapmanopyge amplimarginiata
- Chapmanopyge sanddoelaensis
- Conophrys
- Drepanodus
- Eorobergia
- Eurysymphysurina spora
- Grinnellaspis newfoundlandensis
- Harlandaspis elongata
- Hesperonomia
- Illaenus (Parillaenus) primoticus
- Jeffersonia granosa
The 40 most often recorded, of 62.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.