Coleoptera

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

debris, and eat other invertebrates. Some species are prey of various animals including birds and mammals. Certain species are agricultural pests, such as the Colorado potato beet
Coleoptera, Online Biology, Biology, Science

The Burgess Shale

https://ucmp.berkeley.edu/cambrian/burgess.html

such as mud, marine invertebrates normally curl up upon dying. Fossils of the Burgess Shale locality do not exhibit this coiling. Secondly, there is no evidence of any attempt by

Chelicerata

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

their legs grab small invertebrates and pass them to a food groove that runs from between the rearmost legs to the mouth, which is on the underside of the head and faces slightly
Chelicerata, Online Biology, Biology Encyclopedia, Science

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