Kingdom Animalia Class Trilobita Suborder Olenellina Rank Family | Phylum Arthropoda Order Redlichiida Superfamily Olenelloidea | |
Similar Olenelloidea, Biceratops, Olenellina, Olenellidae, Redlichiida | ||
Biceratopsidae is an extinct family of redlichiid trilobites, with species of small to average size. Species of belonging to this family lived during the Toyonian stage (Olenellus-zone), 522–513 million years ago, in the former continent of Laurentia, including what are today the south-western United States and Canada. It contains the subfamilies Biceratopsinae and Bristoliinae.
Habitat
The Biceratopsidae were probably marine bottom dweller, like all Olenellina.
References
Biceratopsidae Wikipedia(Text) CC BY-SA