Ashizawa Formation
34 distinct taxa, from 53 fossil occurrences the Paleobiology Database records under this name, spanning 101–66 Mya.
Fukushima, Honshu · JP
34 taxa · 53 fossils · 101–66 MyaFiled under the Futaba Group. Members recorded: Obisagawa, Middle, Asamigawa.
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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
- Mesopuzosia
- Inoceramus
- Mytiloides stantoni
- Cretalamna
- Cretalamna appendiculata
- Cretoxyrhina mantelli
- Hadrosauroidea
- Scapanorhynchus
- Acila (Truncacila) hokkaidoensis
- Apiotrigonia (Apiotrigonia)
- Coelurosauria
- Cretodus crassidens
- Cymatoceras
- Didymotis
- Elasmobranchii
- Enchodus
- Ezonuculana mactraeformis
- Forresteria (Forresteria) alluaudi
- Glycymerita
- Hadrosauridae
- Hexanchus
- Hexanchus microdon
- Lamniformes
- Lauranthus futabensis
- Limatula
- Mesoeucrocodylia
- Mosasauridae
- Myrtea ezoensis
- Nipponites
- Odontaspis
- Opis
- Plesiosauria
- Squalicorax falcatus
- Squatina
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.