Agnostus Edit Fossil Record Talk0 5,559pages on this wiki Agnostus {{{name}}}Fossil range: Early Cambrian–Early Silurian PreЄ Є O S D C P T J K Pg N 250px Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Trilobita Order: Agnostida Family: Agnostidae Genus: Agnostus Agnostus is a genus of trilobites that lived approximately 540 to 438 million years ago. The agnostids were small (Agnostus measuring only 6 millimeters), with two thoracic segments and a large tail. This Trilobite-related article is a stub. You can help Fossil Wiki by expanding it.Template:Wikispecies pl:Agnostus Read more Ammagnostidae is a family of trilobites in the superfamily Agnostoidea, which is part of the... Ammagnostidae Balcoracania is a genus of trilobites of the family Emuellidae. Their fossils are found chiefly... Balcoracania Balcoracania dailyi is a species of trilobite from the lower Cambrian period. Their fossils are... Balcoracania dailyi Categories: Trilobites Cambrian animals Trilobite stubs Add category Cancel Save