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Liula [17]
3 years ago
7

What was unusual about Tribrachidum?

Biology
1 answer:
saveliy_v [14]3 years ago
3 0
Tribrachidium was originally described by Martin Glaessner as a problematic organism, one that is excluded from all known major groups of animals by its tri-radial symmetry. ... Tribrachidium was a soft-bodied benthic organism that temporarily attached (but did not accrete) to the substrate of its habitat (microbial mats).
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