Stairway Formation
28 distinct taxa, from 109 fossil occurrences the Paleobiology Database records under this name, spanning 469–458 Mya.
Northern Territory, Northwest Territory · AU
28 taxa · 109 fossils · 469–458 MyaMembers recorded: Sandstone.
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30 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
- Sthenodonta eastii
- Cyrtodonta wattii
- Lingulidae
- Orthidae
- Paralenorthis luritjaorum
- Eritropis opiformis
- Johnmartinia cordata
- Basilicus
- Palaeoneilo smithi
- Cyrtodonta staffordae
- Johnmartinia orbicularis
- Lycophron freemani
- Prosopiscus praecox
- Ribeiria csiro
- Alococoncha crassatellaeformis
- Amadeuphyla joanae
- Clathrospira
- Ctenodonta youngi
- Cyrtodonta carberryi
- Denticelox tortuosa
- Eisarkaspis etheridgei
- Eritropis
- Helicotoma
- Inaequidens campbelli
- Orthoidea
- Pinnocaris
- Pteronychia haupti
- Sphenosolen draperi
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.