Vernanimalcula guizhouena
is this fossil organism an early bilaterian?
Open the “Ecology, evolution, and paleontology” section on Wikipedia →
Source: List of unsolved problems in biology (CC BY-SA 4.0)
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is this fossil organism an early bilaterian?
Open the “Ecology, evolution, and paleontology” section on Wikipedia →
Source: List of unsolved problems in biology (CC BY-SA 4.0)