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:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Asaphida |
| Family: | †Trinucleidae |
| Genus: | †Cryptolithus Green, 1832[1] |
Species edit
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 quadrillatus
- Cryptolithus recurvus (Ulrich, 1919)
- Cryptolithus tessellatus (Green, 1832)
- Cryptolithus ultimus (Barrande)
References edit
- ^ 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) - ^ "Cryptolithus". Encyclopædia Britannica. 6 August 2019. Retrieved 7 December 2020.
- ^ Stigall, A.L. (12 November 2013). "Cryptolithus". Atlas of Ordovician Life.
- ^ "†Cryptolithus Green 1832 (trilobite)". fossilworks. Retrieved 17 December 2021.
- ^ Museum of Comparative Zoology