Coleoptera

https://www.scientificlib.com/en/Biology/Animalia/Arthropoda/Insects/Coleoptera.html

gov.au/biodiversity/abrs/publications/other/species-numbers/2009/pubs/nlsaw-2nd-complete.pdf. 4. ^ Harper, Douglas. "Coleoptera". The Online Etymology Dictionary. http://
Coleoptera, Online Biology, Biology, Science

Chelicerata

https://www.scientificlib.com/en/Biology/Animalia/Arthropoda/Chelicerata.html

described in scientific publications.[27] Some estimates suggest that there may be 130,000 undescribed species of spider and nearly 500,000 undescribed species of mites and ticks.
Chelicerata, Online Biology, Biology Encyclopedia, Science

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