Biceratopsidae

Biceratopsidae
Temporal range: Botomian/Toyonian (Olenellus-zone)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: †Artiopoda
Class: †Trilobita
Order: †Redlichiida
Superfamily: †Olenelloidea
Family: †
Pack & Gayle, 1971
Subfamilies

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.

References

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


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