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Cambrian Period Extinct Species

Obviously, this doesn't include ALL of them
Quiz by
Ptadoo
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Last updated: December 16, 2025
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First submittedDecember 16, 2025
Times taken25
Average score22.2%
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Answer
Anomalocaris
Opabinia
Trilobite
Hallucigenia
Ottoia
Isoxys
Helicocystis
Wiwaxia
Pikaia
Answer
Marrella
Leanchoilia
Canadaspis
Waptia
Tamiscolaris
Aysheia
Vetulicolia
Peytoia
Dinocaridia
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