Olenidae

Olenidae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Ptychopariida
Suborder: †Olenina
Superfamily: †Olenoidea
Family: †Olenidae
Burmeister, 1843
genera

see text

Olenidae is a family of ptychopariid trilobites. Some genera, Balnibarbi and Cloacaspis, are thought to have evolved a symbiotic relationship with sulfur-eating bacteria from which they derived nutrition.[1]

Genera

References

  1. ^ Fortey, Richard (June 2000), "Olenid trilobites: The oldest known chemoautotrophic symbionts?", Proceedings of the National Academy of Sciences, 97 (12): 6574–6578, Bibcode:2000PNAS...97.6574F, doi:10.1073/pnas.97.12.6574, PMC 18664, PMID 10841557
  2. ^ Family Olenidae
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