Biceratopsinae

<i>Biceratopsinae</i>

Biceratopsinae

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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 (Upper Olenellus-zone), 516-513 million years ago, in the former continent of Laurentia, including what are today the South-Western United States and Canada.[4]

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Etymology

The Biceratopsinae are named for the type species Biceratops nevadensis.

Habitat

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

References

  1. [1]
    Lieberman, B.S. (1999). "Systematic Revision of the Olenelloidea (Trilobita, Cambrian)" (PDF). Bulletin of the Peabody Museum of Natural History. 45.
  2. [2]
    M., Webster (2007). "Ontogeny and evolution of the early Cambrian trilobite genus Nephrolenellus (Olenelloidea)". Journal of Paleontology. 81 (6): 1168–1193. Bibcode:2007JPal...81.1168W. doi:10.1666/06-092.1. S2CID 85652241.
  3. [3]
    Webster, M. (2007). "Paranephrolenellus, a New Genus of Early Cambrian Olenelloid Trilobite". Memoirs of the Association of Australasian Palaeontologists. 34: 101–130.
  4. [4]
    Pack, P.D.; Gayle, H.B. (2009). "A New Olenellid Trilobite, Biceratops nevadensis, from the Lower Cambrian near Las Vegas, Nevada". Journal of Paleontology. Vol. 45, no. 5. pp. 893–898.


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