What are the seven levels of classification?

Kingdom Phylum Class Order Family Genus Species

There are more than 300 species in 29 families, so you need to be much more specific. But they have at least this much in common:Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Order: Teuthida

kingdon, phylum, class, order, family, genus species

Classification of a mushroom.

Linnaean taxonomy was not really 'discovered'. It was published by Carl Linnaeus in his book Systema Naturae in 1735.