Biceratopsidae Explained

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.[1]

Habitat

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

Notes and References

  1. Lieberman . Bruce S.. 1999 . Systematic revision of the Olenelloidea (Trilobita, Cambrian) . Bulletin of the Peabody Museum of Natural History . 45 . 1–150 . 9780912532479.