Olenidae

{{Short description|Family of trilobites}} {{Automatic taxobox | fossil_range = | display_parents = 2 | taxon = Olenidae | authority = Burmeister, 1843 | subdivision_ranks = Genera | subdivision = 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.<ref name=Fortey00b>{{Citation|last1=Fortey |first1=Richard |author-link=Richard Fortey |title=Olenid trilobites: The oldest known chemoautotrophic symbionts? |journal=Proceedings of the National Academy of Sciences |volume=97 |issue=12 |pages=6574–6578|date=June 2000 |pmid=10841557 |pmc=18664 |doi=10.1073/pnas.97.12.6574|bibcode = 2000PNAS...97.6574F |doi-access=free }}</ref>

== Genera == {{div col|colwidth=15em}} *''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''.<ref>[https://web.archive.org/web/20110106010436/http://www.trilobites.info/ordptychopariida.htm Family Olenidae]</ref> {{div col end}}

== References == {{Reflist}}

== External links == {{Commonscat}} *[http://www.fossilworks.org/cgi-bin/bridge.pl?action=taxonInfo&is_real_user=1&taxon_no=82598 Olenidae] at Fossilworks

Category:Olenina Category:Trilobite families Category:Taxa named by Hermann Burmeister