Biceratopsinae


The Biceratopsinae is an extinct subfamily of redlichiid trilobites within the family Biceratopsidae, with species of small to average size. Species belonging to this subfamily lived during the Toyonian stage, 516-513 million years ago, in the former continent of Laurentia, including what are today the South-Western United States and Canada.

Etymology

The Biceratopsinae are named for the type species Biceratops nevadensis.

Habitat

The Biceratopsinae were probably marine bottom dweller, like all Olenellina.