Trilobites (/ˈtrlbt/, /ˈtrɪlbt/; meanin "three lobes") are a well-kent fossil group o extinct marine arthropods that form the class Trilobita.

Trilobites
Temporal range: Early Cambrian[1][2] – Late Permian, 521–251.9 Ma
Kainops invius lateral and ventral.JPG
Kainops invius, early Devonian
Paradoxides sp.jpg
Paradoxides sp., late Cambrian
Scientific classification e
Kinrick: Animalia
Phylum: Arthropoda
Subphylum: Trilobitomorpha
Cless: Trilobita
Walch, 1771[3]
Orders

ReferencesEedit

  1. B. S., Lieberman (2002), "Phylogenetic analysis of some basal early Cambrian trilobites, the biogeographic origins of the eutrilobita, and the timing of the Cambrian radiation", Journal of Paleontology (4 ed.), 76 (4): 692–708, doi:10.1666/0022-3360(2002)076<0692:PAOSBE>2.0.CO;2
  2. Fortey, Richard (2000), Trilobite!: Eyewitness to Evolution, London: HarperCollins, ISBN 978-0-00-257012-1
  3. Robert Kihm; James St. John (2007), Donald G. Mikulic, Ed Landing and Joanne Kluessendorf (ed.), "Fabulous fossils – 300 years of worldwide research on trilobites" (PDF), New York State Museum Bulletin, University of the State of New York, 507: 115–140. |chapter= ignored (help)