According to The Guinness Book of Animal Records, the almost 400,000 identified species of Coleoptera ​ — the scientific order that includes beetles — ​ make up almost one third of all the planet’s known animal species.
Guinnessi loomarekordite raamatu järgi moodustavad ligi 400 000 kindlaksmääratud putukat seltsist Coleoptera – mis on mardikate teaduslik liigitus – planeedi teadaolevatest loomariigi esindajatest peaaegu kolmandiku.