Bilins are found, for example, in Micrommata virescens, resulting in its green color.

Micrommata virescens (Clerck, 1757), a new species for the spider fauna of Turkey (Araneae, Sparassidae).

The green huntsman spider (Micrommata virescens) is a spider with a palearctic distribution, of the huntsman spider (Sparassidae) family.

An example of an invertebrate bilin is micromatabilin, which is responsible for the green color of the Green Huntsman Spider, Micrommata virescens.