Takakurayama Formation
47 distinct taxa, from 60 fossil occurrences the Paleobiology Database records under this name, spanning 294–254 Mya.
Recorded under country code JP
47 taxa · 60 fossils · 294–254 MyaMembers recorded: Kashiwadaira, Iriishikura, Motomura.
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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
- Agathiceras
- Chonetinella krotovi
- Chonetinella transversa
- Costatumulus tazawai
- Dyoros (Dyoros)
- Gypospirifer kobiyamai
- Lamnimargus peregrinus
- Martinia lata
- Oldhamina lianyangensis
- Propinacoceras
- Spiriferella saranae
- Transennatia gratiosa
- Alispiriferella
- Alispiriferella lita
- Anidanthus ussuricus
- Bitaunioceras
- Cathayspirina
- Chonetinella iwakiensis
- Derbyia
- Derbyia schellwieni
- Dielasma
- Echinauris
- Elivina tibetana
- Endops yanagisawai
- Haydenella wenganensis
- Hustedia grandicosta
- Hustedia ratburiensis
- Iwakiella ichiroi
- Martinia
- Martinia semiplana
- Megousia auriculata
- Mexicoceras
- Neospirifer
- Nipponaspis takaizumii
- Paragastrioceras
- Pseudorthoceras
- Pterospirifer alatus
- Rhynchopora
- Roadoceras
- Rugoconcha
The 40 most often recorded, of 47.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.