Houkou Formation
14 distinct taxa, from 14 fossil occurrences the Paleobiology Database records under this name, spanning 304–294 Mya.
Hopei · CN
14 taxa · 14 fossils · 304–294 MyaFiled under the Taiyuan Group.
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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
- Goniasma lasallense
- Naticopsis kansuensis
- Orthonema cochleoides
- Palaeostylus acuminatus
- Pharkidonotus acutocarinatus
- Retispira subtilistriata
- Stegocoelia berestovensis
- Stegocoelia quinquecostata
- Stephanozyga crassa
- Stephanozyga ignorata
- Strobeus paludinaeformis
- Trachydomia verrucosa
- Waagenella yuani
- Warthia inflata
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.