Cryptolithus

Not to be confused with Cryptolithodes.

Cryptolithus
Temporal range:
Cryptolithus fossil, National Museum of Natural History
Reconstruction of the ventral side of Cryptolithus tessellatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: †Artiopoda
Class: †Trilobita
Order: †Asaphida
Family: †Trinucleidae
Genus: †Cryptolithus
Green, 1832

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

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