Olenidae

Life-forms

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Ptychopariida
Subordo: †Olenina
Superfamilia: Olenoidea

Familia: Olenidae
Genera: Acerocare - Acerocarina - Aciculolenus - Anaximander - Angelina - Apoplanias - Asilluchus - Baikonuraspis - Balnibarbi - Bienvillia - Boeckaspis - Bondarevites - Bulbolenus - Chekiangaspis - Cloacaspis - Ctenopyge - Cyclognathina - Danarcus - Desmetia - Eoctenopyge - Euonchonotina - Eurycare - Granitzia - Hancrania - Helieranella - Highgatella - Huangshiaspis - Hunanolenus - Hypermecaspis - Inkouia - Isidrella - Jujuyaspis - Leiobienvillia - Leptoplastides - Leptoplastus - Leurostega - Magnomma - Mesoctenopyge - Moxomia - Neoolenus - Neoparabolina - Nericiaspis - Olenus - Orkekeia - Parabolina - Parabolinella - Parabolinina - Parabolinites - Paraolenus - Paraplicatolina - Peltocare - Peltura - Pelturina - Plicatolina - Plicatolinella - Porterfieldia - Prohedinella - Protopeltura - Psilocara - Remizites - Rhodonaspis - Saltaspis - Shihuigouia - Sphaerophthalmus - Svalbardites - Talbotinella - Triarthrus - Ullaspis - Westergaardia - Westergaardites - Wujiajiania
Name
Olenidae Burmeister 1843

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

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

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
Family Olenidae