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Frae Wikipedia, the free beuk o knawledge

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

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


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  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, archived frae the original (PDF) on 20 Julie 2011, retrieved 6 Mey 2014. |chapter= ignored (help)