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Pacoota - Lower beds, Northern Territory, Australia

Formation	Pacoota
Member	Lower beds
Age:	477 - 474 Ma Early/Lower Ordovician
Interval	Payntonian
Lithology	sandstone, sandstone/siltstone
Number of Collections	20
Number of Occurrences	50

Recorded Sample Locations

Location	Region	Stratigraphic Name
Locality 03. AS 177. 56 kilometers east of Alice Springs and 6 kilometers northeast of the #6 borehole.	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 04. AS 198. East Bank	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 6. AS 350. 8 km west southwest of East Bank	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 7. AS 352. Ross River Syncline	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 9. NT 191. west of Saw Mill in Ross River Area	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 11. NT 323. 3.2 kilometers east of Native Pine Gap	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 59. NT 251. Gorge through strike ridges	MacDonnell Region, Northern Territory, Australia	Pacoota - Lower Beds
Locality 10. NT 229. 14.5 kilometers southwest of ALice Springs	Sandover, Barkly Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 19. HY 80. Strike Valley 4 kilometers south of Areyonga Native Settlement	MacDonnell Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 27. AS 255. Parkes Pass	MacDonnell Region, Northern Territory, Australia	Pacoota - Lower beds
Locality 39. PW-10-74. 3.5 kilometers south of Ellery Creek	MacDonnell Region, Northern Territory, Australia	Pacoota - Lower Beds
Locality 35. NT 147. Stokes Pass	MacDonnell Region, Northern Territory, Australia	Pacoota - Lower beds

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Micragnostus sp. genus	6	Animalia : Arthropoda : Trilobita : Agnostida : Agnostidae : *Micragnostus*	494 - 485.4 Ma Cambrian
Changia sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Ptychaspididae : *Changia*	494 - 485.4 Ma Cambrian
Coreanocephalus sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Ptychaspididae : *Coreanocephalus*	494 - 485.4 Ma Cambrian
Kaolishaniella sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Kaolishaniidae : *Kaolishaniella*	494 - 485.4 Ma Cambrian
Calvinella sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Saukiidae : *Calvinella*	494 - 485.4 Ma Cambrian
Lophosaukia sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Saukiidae : *Lophosaukia*	494 - 485.4 Ma Cambrian
Mictosaukia sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Saukiidae : *Mictosaukia*	494 - 485.4 Ma Cambrian
Tellerina sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Saukiidae : *Tellerina*	494 - 485.4 Ma Cambrian
Colpantyx woolleyi species	7	Animalia : Mollusca : Bivalvia : Colpomyidae : Colpantyx : *Colpantyx woolleyi*	476.8 - 473.9 Ma Early/Lower Ordovician
Xestoconcha kraciukae species	7	Animalia : Mollusca : Bivalvia : Colpomyidae : Xestoconcha : *Xestoconcha kraciukae*	476.8 - 473.9 Ma Early/Lower Ordovician
Cyrtodontula hadzeli species	7	Animalia : Mollusca : Bivalvia : Cyrtodontidae : Cyrtodontula : *Cyrtodontula hadzeli*	476.8 - 473.9 Ma Early/Lower Ordovician
Pharcidoconcha raupi species	7	Animalia : Mollusca : Bivalvia : Cyrtodontidae : Pharcidoconcha : *Pharcidoconcha raupi*	476.8 - 473.9 Ma Early/Lower Ordovician
Cymatopegma semiplicatum species	7	Animalia : Mollusca : Ribeiriidae : Cymatopegma : *Cymatopegma semiplicatum*	494 - 485.4 Ma Cambrian
Pinnocaris robusta species	7	Animalia : Mollusca : Ribeiriidae : Pinnocaris : *Pinnocaris robusta*	494 - 485.4 Ma Cambrian
Pinnocaris wellsi species	7	Animalia : Mollusca : Ribeiriidae : Pinnocaris : *Pinnocaris wellsi*	494 - 485.4 Ma Cambrian
Kimopegma huckitta species	7	Animalia : Mollusca : Rostroconchia : Ribeirioida : Technophoridae : Kimopegma : *Kimopegma huckitta*	494 - 485.4 Ma Cambrian
Kimopegma jonesi species	7	Animalia : Mollusca : Rostroconchia : Ribeirioida : Technophoridae : Kimopegma : *Kimopegma jonesi*	494 - 485.4 Ma Cambrian
Kimopegma pinnatum species	7	Animalia : Mollusca : Technophoridae : Kimopegma : *Kimopegma pinnatum*	494 - 485.4 Ma Cambrian
Hypseloconus sp. genus	6	Animalia : Mollusca : Tergomya : Hypseloconida : *Hypseloconus*	494 - 485.4 Ma Cambrian

References

Pojeta J., Gilbert-Tomlinson J., et al (1977) Cambrian and Ordovician rostroconch molluscs from Northern Australia, Australian Bureau of Mineral Resources, Geology and Geophysics Bulletin 171, 1-54

Pojeta J., Gilbert-Tomlinson J. (1977) Australian Ordovician pelecypod molluscs, Bureau of Mineral Resources, Geology and Geophysics, Bulletin 174, 1-64

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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