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Two mnemonics I have used, not sure where they should go, so if anyone wants to add them...
Geological Periods
Precambrian, Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous
Pregnant Camels Often Sit Down Carefully, Perhaps Their Joints Creak
Biological classification
Kingdom, Phylum, Class, Order, Family, Genus, Species
King Philip Came Over For Great Sex
86.143.26.48 (talk) 09:41, 3 March 2016 (UTC)
- We've got something for the biological classification. COSDCPTJC gets quite a bit more Google hits without prepending a P for Precambrian. Could be something for geological periods, but doesn't seem to be anything at the moment. Plantdrew (talk) 03:58, 1 October 2016 (UTC)