Agnostus
Encyclopedia
Agnostus is a genus
of trilobite
s that lived approximately 540 to 438 million years ago. The agnostids were small (some measuring only 6 millimeters), with two thoracic segments and a large tail.
Agnostus were blind trilobites, with no fossils of the species found with eyes. They were likely benthic, living deep in the ocean where eyes would be useless.
Agnostus are believed to have been filter feeders or grazers on algae.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of trilobite
Trilobite
Trilobites are a well-known fossil group of extinct marine arthropods that form the class Trilobita. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period , and they flourished throughout the lower Paleozoic era before...
s that lived approximately 540 to 438 million years ago. The agnostids were small (some measuring only 6 millimeters), with two thoracic segments and a large tail.
Agnostus were blind trilobites, with no fossils of the species found with eyes. They were likely benthic, living deep in the ocean where eyes would be useless.
Agnostus are believed to have been filter feeders or grazers on algae.