This list of fossil arthropods described in 2012 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind that have been described during the year 2012. The list only includes taxa at the level of genus or species.
Arachnids Name Novelty Status Authors Age Unit Location Notes ImagesAmpezzoaGen. et sp. nov.ValidLindquist & Grimaldi in Schmidt et al.Carnian A mite. The type species is Ampezzoa triassica.ArchaelagonopsGen. et sp. nov ValidWunderlichCretaceousBurmese amberA member of Lagonomegopidae. Type species is A. salticoides.Baltleucauge propinquaSp. nov ValidWunderlichEoceneBaltic amberEuropeA long-jawed orb weaverCraspedisia yapchoonteckiSp. nov.ValidPenney et al.Miocene Dominican amberA theridiidEodoter lonimammillaeSp. nov ValidWunderlichEoceneBaltic amberEuropeA sac spiderEohalinobius calefactusSp. nov ValidWunderlichEoceneBaltic amberEuropeA succinomidEohalinobius hiddenseeensisSp. nov ValidWunderlichEoceneBaltic amberEuropeA succinomidEohalinobius patinaSp. nov ValidWunderlichEoceneBaltic amberEuropeA succinomid?Eophantes seorsumSp. nov ValidWunderlichEoceneBaltic amberEuropeA linyphiidEphalmator tredecimSp. nov ValidWunderlichEoceneBaltic amberEuropeAn ephalmatoridEro (Succinero) clunisSp. nov ValidWunderlichEoceneBaltic amberEuropeA pirate spider Ero (Succinero) gracilitibialisSp. nov ValidWunderlichEoceneBaltic amberEuropeA pirate spiderEro (Succinero) vetaSp. nov ValidWunderlichEoceneBaltic amberEuropeA pirate spiderGeratonephilaGen. et sp. nov. jr synonymPoinar in Poinar & BuckleyEarly CretaceousBurmese amberA nephiline. The type species is G. burmanica. Moved to Nephila in 2015.Graea magnocoliSp. nov ValidWunderlichEoceneBaltic amberEuropeAn orb-weaver spiderHypotheridiosomaGen. et sp. nov ValidWunderlichCretaceousBurmese amberOriginally classified as a ray spider, but subsequently transferred to the araneoid family Zarqaraneidae. The type species is H. paracymbium.Korearachnegen et sp novValidSelden et al..Early Cretaceous Jinju FormationA member of Araneomorphae, possibly a lycosoid. The type species is K. jinju.LagonoburmopsGen. et sp. nov ValidWunderlichCretaceousBurmese amberA member of Lagonomegopidae. The type species is L. plumosus.Leclercera longissipesSp. nov Jr synonymWunderlichCretaceousBurmese amberA member of Psilodercidae. Originally described as a species of Leclercera, but subsequently transferred to the genus Priscaleclercera.Leclercera spiculaSp. nov Jr synonymWunderlichCretaceousBurmese amberA member of Psilodercidae. Originally described as a species of Leclercera, but subsequently transferred to the genus Priscaleclercera.LeviunguisGen. et sp. nov ValidWunderlichCretaceousBurmese amberOriginally classified as a ray spider, subsequently transferred to the separate araneoid family Leviunguidae. The type species is L. bruckschi.Mesobunus dunlopiSp. nov.ValidGiribet et al.Middle JurassicDaohugou BedsA sclerosomatid harvestman.MyanlagonopsGen. et sp. nov ValidWunderlichCretaceousBurmese amberA member of Lagonomegopidae. The type species is M. gracilipes.OcululoborusGen. et sp. nov ValidWunderlichCretaceousBurmese amberA member of Uloboridae. The type species is O. curvatus.Orchestina (Baltorchestina) angulataNom. nov ValidWunderlichEoceneBitterfeld amberAn oonopid; a replacement name for Orchestina (Baltorchestina) rectangulata Wunderlich (2011).Orchestina gappisp novValidSaupe et al..Latest Albian or earliest Cenomanian Chartense amberAn oonopidOrchestina rabagensisSpeciesValidSaupe et al.Early Albian An oonopid, a species of Orchestina.Palaeogrosphus jacquesiSp. novValidLourenço & HenderickxHoloceneMalagasy copalA buthid scorpion.PalaeoleptonetaGen. et sp. nov ValidWunderlichCretaceousBurmese amberOriginally described as a member of Leptonetidae, subsequently considered to be a member of Araneomorphae of uncertain affinities by Magalhaes et al.. The type species is P. calcar.Palaeolychas weitschatiSp. nov.ValidLourençoEocene (Kaliningrad Oblast)A buthid scorpion, a species of Palaeolychas.PalaeotrilineatusGen. et sp. nov.ValidLourençoEarly Cretaceous Burmese amberA scorpion. The type species is P. ellenbergeri.?Pholcochyrocer baculumSp. nov ValidWunderlichCretaceousBurmese amberA member of Pholcochyroceridae, possibly a species of Pholcochyrocer.Pholcochyrocer pectenSp. nov ValidWunderlichCretaceousBurmese amberA member of Pholcochyroceridae, a species of Pholcochyrocer.PiankhiGen. et sp. nov.ValidDunlop, Bartel & MitovEocene Baltic amberEuropeA harvestman found in Baltic amber. The type species is P. steineri.?Poliochera cretaceaSp. novValidWunderlichCretaceousBurmese amberA member of Ricinulei. Originally described as a possible species of Poliochera, but subsequently transferred to the separate genus Protoricinus.PraoppiellaGen. et sp. nov.ValidMiko & Mourek in Miko et al.Early PleistoceneA mite. The type species is P. oanae.Pseudogarypus synchrotronSp. novValidHenderickx in Henderickx, Tafforeau & SorianoLate EoceneBaltic AmberA pseudoscorpion?Psiloderces filiformisSp. nov ValidWunderlichCretaceousBurmese amberFirst described as possibly species of Psiloderces; transferred to the genus Eopsiloderces.RhinoppioidesGen. et sp. nov.ValidMiko in Miko et al.Early PleistoceneA mite. The type species is R. quadrituberculatus.SaetosomaGen. et sp. nov ValidWunderlichCretaceousBurmese amberA member of Tetrablemmidae. The type species is S. filiembolus.SamlandicmetaGen. et sp. nov ValidWunderlichEoceneBaltic amberA long-jawed orb weaver. The type species is S. mutila.?Scytodes haniSp. nov ValidWunderlichCretaceousLebanese amberA spider of uncertain affinities. Originally described as a spitting spider, possibly a species of Scytodes; Magalhaes et al. subsequently argued that it cannot be reliably assigned to Scytodoidea.Succiniropsis runcinataSp. nov ValidWunderlichEoceneBaltic amberA zoropsid.?Succinomus gibbosusSp. nov ValidWunderlichEoceneBaltic amberA succinomid, possibly a species of Succinomus.Trhypochthonius lopezvalleiSp. nov.ValidArillo, Subías & ShtanchaevaEarly Cretaceous (Albian) A trhypochthoniid mite.TriasacarusGen. et sp. nov.ValidLindquist & Grimaldi in Schmidt et al.Carnian A mite. The type species is T. fedelei.
Crustaceans Name Novelty Status Authors Age Unit Location Notes ImagesAcanthocythereis inoueiSp. nov ValidYamaguchi, Mashiba & KamiyaMioceneOsaki FormationAn ostracod, a species of Acanthocythereis.AcanthophoenicidesGen. et sp. nov ValidAudo & CharbonnierLate Cretaceous (Cenomanian)Hadjoula LagerstätteA slipper lobster belonging to the subfamily Arctidinae. The type species is A. peterpani.Acratia candyaeSp. nov ValidForelLate Permian (Changhsingian)Wujiaping FormationAn acratiid ostracod, a species of Acratia.AgnocarcinusGen. et sp. novValidBeschin et al.Eocene (Lutetian)A crab belonging to the family Pilumnidae. The type species is A. zannatoi.AlberticarcinusGen. et sp. novValidBeschin et al.Eocene (Lutetian)A crab belonging to the family Atelecyclidae. The type species is A. eocaenus.Ammopylocheles robertborekiSp. nov ValidFraaije et al.Middle OxfordianA pylochelid, a species of Ammopylocheles.Amphicytherura grandicribraSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A schizocytherid ostracod, a species of Amphicytherura.Amphicytherura occultaSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)An ostracod. Originally described as a species of Amphicytherura; Antonietto et al. (2013) transferred this species to the genus Dinglecythere.Amphissites gifuensisSp. nov ValidTanaka & Yuan in Tanaka et al.Early PermianAn ostracod, a species of Amphissites.AntonioraninaGen. et comb. novValidVan Bakel et al.EoceneA raninid crab. The type species is "Cyrtorhina" globosa Beschin, Busulini, De Angeli & Tessier (1988); genus also contains A. fusseli (Blow & Manning, 1996) and A. ripacurtae (Artal & Castillo, 2005). Van Bakel et al. (2012) tentatively assigned "Cyrtorhina" oblonga Beschin, Busulini, De Angeli & Tessier (1988) to the genus Antonioranina as well; however, Karasawa et al. (2014) made it the type species of a separate genus Claudioranina.Archaeoniscus coreaensisSp. nov ValidPark et al.Early CretaceousJinju FormationAn isopod crustacean, a species of Archaeoniscus.Asciocythere cabbagehillensisSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A cytherideid ostracod, a species of Asciocythere.Asymmetricythere semoupatheiSp. nov ValidSarrYpresian to LutetianA trachyleberidid ostracod, a species of Asymmetricythere.Aurikirkbya miyakeiSp. nov ValidTanaka & Ono in Tanaka et al.Early PermianAn ostracod, a species of Aurikirkbya.Aysegulina chapeltonensisSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A hemicytherid ostracod, a species of Aysegulina.Aysegulina riominhoensisSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A hemicytherid ostracod, a species of Aysegulina.Aysegulina sagittaSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A hemicytherid ostracod, a species of Aysegulina.Aysegulina ventrocurvaSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A hemicytherid ostracod, a species of Aysegulina.Bairdia adelineaeSp. nov ValidForelEarly Triassic (Griesbachian)Daye FormationA bairdiid ostracod, a species of Bairdia.Bairdia fujisanSp. nov ValidTanaka & Maeda in Tanaka et al.Early PermianAn ostracod, a species of Bairdia.Bairdia? hubertiSp. nov ValidForelLate Permian (Changhsingian)Wujiaping FormationA bairdiid ostracod, a possible species of Bairdia.Bairdia ikeyaiSp. nov ValidTanaka in Tanaka et al.Early PermianAn ostracod, a species of Bairdia.Bairdia jeromeiSp. nov ValidForelLate Permian (Changhsingian) and Early Triassic (Griesbachian)Daye Formation Wujiaping FormationA bairdiid ostracod, a species of Bairdia.Bairdia minoensisSp. nov ValidTanaka & Ono in Tanaka et al.Early PermianAn ostracod, a species of Bairdia.Bairdia spindlicaSp. nov ValidTanaka & Yuan in Tanaka et al.Early PermianAn ostracod, a species of Bairdia.Balowella crassicostataSp. novValidLuppoldMiddle JurassicAn ostracod, a species of Balowella.Bathypluma pliocenicaSp. nov ValidGarassino, Pasini & MariniEarly PlioceneA retroplumid crab, a species of Bathypluma.BournelyreidusGen. et comb. et sp. nov ValidVan Bakel et al.Late Cretaceous to PaleoceneA lyreidid crab. The type species is "Hemioon" eysunesensis Collins & Wienberg Rasmussen (1992); according to the authors of its description genus also contains "Raninella" carlilensis Feldmann & Maxey (1980), "Palaeocorystes" laevis Schlüter in von der Marck & Schlüter (1868), "Raninella" manningi Bishop & Williams (2000), "Raninella" oaheensis Bishop (1978) and "Raninella" tridens Roberts (1962), as well as the new species Bournelyreidus teodorii. On the other hand, Karasawa et al. (2014) transferred B. teodorii to the genus Lyreidus, "R." tridens to the genus Macroacaena and "R." manningi to the genus Heus.Brachycythere jamaicaensisSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A trachyleberidid ostracod, a species of Brachycythere.Bretoniagen et comb nov ValidSchweitzer et al.CenomanianSables du Perche Formationcrab, New genus for "Xanthosia" danielae (Collins and Breton, 2009).Buntonia bodergatiSp. nov ValidSarrThanetian to YpresianA trachyleberidid ostracod, a species of Buntonia.Buntonia nanaSp. nov ValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A trachyleberidid ostracod, a species of Buntonia.Buntonia vulgarisSp. novValidPuckett & Colin in Puckett, Colin & MitchellLate Cretaceous (Maastrichtian)A trachyleberidid ostracod, a species of Buntonia.Bythocypris antoniettaeSp. nov