Laudonia

Laudonia
Temporal range: late Lower Cambrian (Lower Olenellus-zone) 524–518.5 Ma

[1]

Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Redlichiida
Suborder: Olenellina
Superfamily: Olenelloidea
Family: "Laudoniidae"
Subfamily: "Laudoniinae"[2][3]
Genus: Laudonia
Harrington, 1956
species
  • L. bispinata Harrington, 1956, (type)[2]
  • L. amputata Fritz, 1992[2]

Laudonia is an extinct genus of trilobites that lived during the early part of the Botomian stage,[1] which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period. There are currently two named species assigned to it.

Distribution

References

  1. 1 2 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology 364: 560. Retrieved 2008-01-12.
  2. 1 2 3 Lieberman, B. S. (1999). "Systematic Revision of the Olenelloidea (Trilobita, Cambrian)" (PDF). Bulletin of the Peabody Museum of Natural History 45.
  3. Lieberman, B.S. (1998). "Cladistic Analysis of the Early Cambrian Olenelloid Trilobites" (PDF). Journal of Paleontology 72 (1): 59–78.
  4. 1 2 W. H. Fritz. 1992. Walcott's Lower Cambrian Olenellid trilobite collection 61k, Mount Robson Area, Canadian Rocky Mountains. Geological Survey of Canada Bulletin 432 (432)1-66
  5. J. Stewart, M. A. S. McMenamin, and J. M. Morales-Ramirez. 1984. Upper Proterozoic and Cambrian rocks in the Caborca Region, Sonora, Mexico - physical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations. U. S. Geological Survey Professional Papers (1309)1-33
This article is issued from Wikipedia - version of the Tuesday, September 01, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.