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Rangeomorph Holdfast
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By Tidgy's Dad
Taxonomy
Rangeomorph Holdfast
Kingdom: Vendobionta
Phylum: Rangeomorpha
Class: Incertae sedis
Order: Incertae sedis
Family: Incertae sedis
Genus: Medusina
Species: Medusina mawsoni
Author Citation Sprigg
Geological Time Scale
Eon: Proterozoic
Era: Neoproterozoic
Period: Ediacaran
Sub Period: None
Epoch: Middle
Stratigraphy
Ediacara Formation
Rawnsley Quartzite Member
Provenance
Acquired by: Purchase/Trade
Dimensions
Diameter: 1.5 cm
Location
Nilpena
Ediacara Hills
South Australia
Australia
- rawnsley quartzite
- precambrian
- rangeomorph
- ediacaran
- south austarlia
- vendobionta
- medusina
- finders range
- australia
Comments
Until recently classified as a jellyfish, Medusina mawsoni is now considered to be the trace where a holdfast where a rangeomorph such as Rangea was connected to the substrate as in Charniodiscus being the base of Charnia. This specimen is thus about 555 million years old and is from the Rawnsley Quartzite.
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