Fossils & Geological Features

Fossils & Geological Features

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Fossils & Geological Features

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Discussion

RogerF wrote:
Yesterday
Only 430 million years old
Trilobita (class) fossil
waltraud wrote:
22 May 2025
Trilobite....
Trilobita (class) fossil
MichaelBedingfield wrote:
22 May 2025
Thanks Waltraud
Brachiopoda (phylum) fossil
waltraud wrote:
21 May 2025
https://canberra.naturemapr.org/users/8083, to be honest I don't know. Both groups are bilateral symmetric and have species with similar looking shells; however, the mussels (bivalvia) have a right and left and the Brachiopodia have a upper and lower shell; I'm afraid without additional structural info it is hard to say. Given the richness of Brachiopodia in Canberra's fossil record in similar Silurian formation e.g. the mudstone at woolshed creek, I would opt for Brachiopodia; see https://artsandculture.google.com/story/a-c-t-fossil-emblem-geoscience-australia/cAWBTqZZczzjKA?hl=en
Brachiopoda (phylum) fossil
MichaelBedingfield wrote:
21 May 2025
Hi Waltraud. It looked like a bivalve from the photo, but happy to change to Brachiopodes if you think that's what it is.
Brachiopoda (phylum) fossil

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