Unnamed Formation
343 distinct taxa, from 1,214 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 4 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
California, Missouri, Alaska · US
316 taxa · 1,170 fossils · 307–0.0 MyaLoading coastlines…
7 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
- Epilucina californica
- Lottia scabra
- Acmaea mitra
- Cumingia californica
- Dendropoma lituella
- Eulithidium pulloides
- Lottia limatula
- Antisabia panamensis
- Barleeia subtenuis
- Callianax biplicata
- Chlorostoma funebrale
- Cyclogranisporites
- Glans carpenteri
- Lacuna (Epheria) unifasciata
- Nutricola tantilla
- Alvinia purpurea
- Barleeia oldroydi
- Crepidula adunca
- Diodora aspera
- Homalopoma (Homalopoma) luridum
- Lirobittium armillatum
- Mytilus californianus
- Pomaulax gibberosa
- Amphissa versicolor
- Caecum californicum
- Haliotis cracherodii
- Littorina (Littorina) scutulata
- Triquitrites
- Alia carinata
- Atrimitra idae
- Balanophyllia elegans
- Calicantharus fortis
- Californiconus californicus
- Chlorostoma brunnea
- Crepidula onyx
- Fissurella volcano
- Harfordia arnoldi
- Lasaea adansoni
- Lirobittium attenuatum
- Lirularia optabilis
The 40 most often recorded, of 316.
Nunavut · CA
32 taxa · 42 fossils · 283–274 MyaLoading 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
- Neoraistrickia
- Protohaploxypinus
- Alisporites
- Angarocarpus
- Apiculatisporis
- Bardocarpus
- Botryococcus
- Calamospora
- Compsopteris
- Convolutispora
- Cyclogranisporites
- Dolerotheca
- Florinites
- Kraeuselisporites
- Leiotriletes
- Lophotriletes
- Micrhystridium
- Nephropsis
- Paracalamites
- Raistrickia
- Rufloria
- Samaropsis
- Sphenobaiera
- Striatopodocarpites
- Sylvella
- Trigonocarpus
- Triquitrites
- Vittatina
- Vojnovskya
- Walchia
- Weylandites
- Zamiopteris
Xizang · CN
1 taxa · 1 fossils · 227–206 MyaLoading 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
Krasnoyarsk Krai · RU
1 taxa · 1 fossils · 526–521 MyaLoading 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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.