Dawan Formation
222 distinct taxa, from 998 fossil occurrences the Paleobiology Database records under this name, spanning 479–458 Mya.
Hubei, JiangSu, Sichuan, AnHui · CN
222 taxa · 998 fossils · 479–458 MyaMembers recorded: Lower, 3, Upper, 1A, 1B, Middle, 2.
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19 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
- Sinorthis
- Nereidella
- Yangtzeella (Yangtzeella) poloi
- Yangtzeella
- Liomegalaspides taningensis
- Scolopodus
- Baltoniodus
- Pseudocalymene transversa
- Euorthisina
- Protopanderodus
- Protoskenidioides
- Tritoechia
- Didymograptus
- Protocycloceras
- Mimella
- Ningkianolithus
- Periodon
- Leptella grandis
- Megalaspides
- Oistodus
- Paralenorthis serica
- Phyllograptus
- Acodus
- Drepanodus
- Drepanoistodus
- Chisiloceras
- Dideroceras
- Geragnostus
- Ovalocephalus
- Rhombampyx yii
- Hanchungolithus
- Lepidorthis typicalis
- Nothorthis perplexa
- Pseudomimella
- Punctolira
- Azygograptus
- Cornuodus
- Nasusgnathus
- Orthis
- Agerina elongata
The 40 most often recorded, of 222.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.