Olenidae

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]

Olenidae
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Trilobita
Order:
Ptychopariida
Suborder:
Olenina
Superfamily:
Olenoidea
Family:
Olenidae

Burmeister, 1843
genera

see text

Genera
  • Acerocare
  • Acerocarina
  • Aciculolenus
  • Anaximander
  • Angelina =Keidelaspis),
  • Apoplanias
  • Asilluchus
  • Baikonuraspis
  • Balnibarbi
  • Bienvillia (=Diatemnus; =Mendoparabolina)
  • Boeckaspis (/Boeckia BROGGER; =Sphaerophthalmella)
  • Bondarevites
  • Bulbolenus
  • Chekiangaspis
  • Cloacaspis
  • Ctenopyge
  • Cyclognathina
  • Danarcus
  • Desmetia
  • Eoctenopyge
  • Euonchonotina
  • Eurycare
  • Granitzia
  • Hancrania
  • Helieranella
  • Highgatella
  • Huangshiaspis
  • Hunanolenus
  • Hypermecaspis (=Spitsbergaspis),
  • Inkouia (=Agalatus),
  • Isidrella
  • Jujuyaspis (=Alimbetaspis),
  • Leiobienvillia
  • Leptoplastides (=Andesaspis;=Beltella; =Chunkingaspis; =Parabolinopsis; *Rampartaspis),
  • Leptoplastus
  • Leurostega
  • Magnomma
  • Mesoctenopyge
  • Moxomia
  • Neoolenus
  • Neoparabolina
  • Nericiaspis
  • Olenus (=Simulolenus),
  • Orkekeia
  • Parabolina (/*Odontopyge),
  • Parabolinella
  • Parabolinina
  • Parabolinites
  • Paraolenus
  • Paraplicatolina
  • Peltocare
  • Peltura (/Anthes; =Anopocare),
  • Pelturina
  • Plicatolina
  • Plicatolinella
  • Porterfieldia
  • Prohedinella
  • Protopeltura
  • Psilocara
  • Remizites
  • Rhodonaspis
  • Saltaspis
  • Shihuigouia
  • Sphaerophthalmus
  • Svalbardites
  • Talbotinella
  • Triarthrus (/*Brongniartia EATON)?
  • Ullaspis
  • Westergaardia (=Sphaerophthalmoides)
  • Westergaardites
  • Wujiajiania.[2]

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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