Cryptolithus

Cryptolithus is a genus of extinct 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]

Not to be confused with Cryptolithodes.

Cryptolithus
Temporal range: Ordovician
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Asaphida
Family: †Trinucleidae
Genus: †Cryptolithus
Green, 1832[1]

Species

Valid species of Cryptolithus include:[5]

  • Cryptolithus bellulus (Ulrich, 1879)
  • Cryptolithus carimatus
  • Cryptolithus fittsi (Ulrich & Whittington)
  • Cryptolithus goldfussi (Barrande)
  • Cryptolithus inopinatus (Whittard)
  • Cryptolithus intertetus (Whittard)
  • Cryptolithus lorerainensis (Ruedemann)
  • Cryptolithus lorettensis (Foerste, 1924)
  • Cryptolithus ornatus (Sternberg)
  • Cryptolithus portlockii
    • Cryptolithus portlockii girvanensis
  • Cryptolithus quadrillatus
  • Cryptolithus recurvus (Ulrich, 1919)
  • Cryptolithus tessellatus (Green, 1832)
  • Cryptolithus ultimus (Barrande)

References
  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 requires |journal= (help)
  2. "Cryptolithus". Encyclopædia Britannica. 6 August 2019. Retrieved 7 December 2020.
  3. Stigall, A.L. "Cryptolithus". Atlas of Ordovician Life.
  4. "†Cryptolithus Green 1832 (trilobite)". fossilworks. Retrieved 19 October 2019.
  5. Museum of Comparative Zoology
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