Cryptolithus is a genus of extinct epifaunal, suspension-feeding, trinucleid trilobites that lived during the Ordovician period.[2] They were mostly blind.[3] They are found in the United States, Canada, Venezuela, the United Kingdom, France, the Czech Republic, Morocco and Turkey.[4]

Cryptolithus
Temporal range: Ordovician
Cryptolithus fossil, National Museum of Natural History
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Asaphida
Family: Trinucleidae
Genus: Cryptolithus
Green, 1832[1]

Species

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Valid species of Cryptolithus include:[5]

References

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  1. ^ Green, Jacob (1832). "A Monograph of the Trilobites of North America: With Coloured Models of the Species". 1. Joseph Brano: 72–78. doi:10.5962/bhl.title.66801. {{cite journal}}: Cite journal requires |journal= (help)
  2. ^ "Cryptolithus". Encyclopædia Britannica. 6 August 2019. Retrieved 7 December 2020.
  3. ^ Stigall, A.L. (12 November 2013). "Cryptolithus". Atlas of Ordovician Life.
  4. ^ "†Cryptolithus Green 1832 (trilobite)". fossilworks. Retrieved 17 December 2021.
  5. ^ Museum of Comparative Zoology