2022 in arthropod paleontology

2022 in arthropod palentology is a list of new arthropod fossil taxa, including arachnids, crustaceans, insects, trilobites, and other arthropods that were announced or described, as well as other significant arthropod paleontological discoveries and events which occurred in 2022.

List of years in arthropod paleontology
In paleontology
2019
2020
2021
2022
2023
2024
2025
In science
2019
2020
2021
2022
2023
2024
2025

Arachnids

Name Novelty Status Authors Age Type locality Country Notes Images

Acrometa gibbosa[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Synotaxidae.

Acrometa glomus[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Synotaxidae.

Acrometa longisetae[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Synotaxidae.

Araneometa procera[2]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Miocene

Mexican amber

 Mexico

A long-jawed orb weaver.

Balticodromus[1]

Gen. et sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Philodromidae. The type species is B. porrectus.

Balticosynotaxus[1]

Gen. et sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Synotaxidae. The type species is B. angulatus.

Betaburmesebuthus spinipedis[3]

Sp. nov

In press

Xuan, Cai & Huang

Cretaceous

Burmese amber

 Myanmar

A scorpion belonging to the family Palaeoburmesebuthidae.

Chaerilobuthus brandti[4]

Sp. nov

Valid

Lourenço in Lourenço & Velten

Cretaceous

Burmese amber

 Myanmar

A scorpion belonging to family Chaerilobuthidae.

Chrosiothes chiapas[2]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Miocene

Mexican amber

 Mexico

A species of Chrosiothes.

Claspingblemma[5]

Gen. et sp. nov

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Tetrablemmidae. Genus includes new species C. duospinae.

Deinocroton copia[6]

Sp. nov

In press

Chitimia-Dobler et al.

Cretaceous

Burmese amber

 Myanmar

A tick.

Doubravatarbus[7]

Gen. et sp. nov

In press

Hradská et al.

Carboniferous (Moscovian)

Kladno Formation

 Czech Republic

A member of Trigonotarbida belonging to the family Aphantomartidae. The type species is D. krafti.

Electroblemma acuminataformis[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Tetrablemmidae.

Eocryphoeca duplex[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider related to Cryphoecina.

Eocryphoecara longtegap[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider related to Cryphoecina.

Eogamasomorpha magnaseta[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Tetrablemmidae.

Eotrechalea darrellubick[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider, possibly a member or a relative of the family Zoropsidae.

Ixodes antiquorum[6]

Sp. nov

In press

Chitimia-Dobler et al.

Cretaceous

Burmese amber

 Myanmar

A tick, a species of Ixodes.

Kachintelema[5]

Gen. et sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Telemidae. The type species is K. calcarfemur.

Khimaira[6]

Gen. et sp. nov

In press

Chitimia-Dobler et al.

Cretaceous

Burmese amber

 Myanmar

A tick combining a body resembling that of a soft tick with a basis capitulum more like that of a hard tick, assigned to a new family Khimairidae as a possible transitional form between soft and hard ticks. Genus includes new species K. fossus.

Laccolithus petrunkevitchi[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Phrurolithidae.

Longissipalpus aliter[5]

Nom. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the group Araneomorphae and the family Pholcochyroceridae; a replacement name for Longissipalpus cochlea Wunderlich (2021).

Microuloborus ater[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Uloboridae.

Palaeoleptoneta acus[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Leptonetidae.

Palaeoleptoneta baculum[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Leptonetidae.

Palaeoleptoneta laticymbium[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Leptonetidae.

Palptibiaap[5]

Gen. et sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the group Araneoidea and the family Zarqaraneidae. The type species is P. cochlear.

Parachimerarachne[5]

Gen. et sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

An arachnid related to Chimerarachne. The type species is P. longiflagellum.

Praeteraraneoides multidentatum[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the group Leptonetoidea and the family Protoaraneoididae.

Praetervetiator parvicirculus[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the group Araneomorphae and the family Vetiatoridae.

Procerclypeus corniculatus[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Tetrablemmidae.

Propterkachin pygmaeus[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Uloboridae.

Propterkachin unispinatus[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the family Uloboridae.

Sigillaricinuleus[8]

Gen. et sp. nov

Valid

Wunderlich

Cretaceous

Burmese amber

 Myanmar

A member of Ricinulei. The type species is S. tripares.

Spinicymbium curviparacymbium[5]

Sp. nov

Valid

Wunderlich in Wunderlich & Müller

Cretaceous

Burmese amber

 Myanmar

A spider belonging to the group Araneoidea and the family Zarqaraneidae.

?Sulcosynotaxus matrimonium[1]

Sp. nov

Valid

Wunderlich

Eocene

Baltic amber

Europe (Baltic Sea region)

A spider belonging to the family Synotaxidae.

Arachnid research

Crustaceans

Malacostracans

Name Novelty Status Authors Age Type locality Country Notes Images

Asthenognathus fernandezi[10]

Sp. nov

Ferratges, Zamora & Aurell

Eocene (Ypresian)

Roda Formation

 Spain

A crab belonging to the family Varunidae.

Basidromilites[11]

Gen. et sp. nov

Valid

Artal et al.

Early Eocene

Serraduy Formation

 Spain

A dromioid crab. Genus includes new species B. glaessneri.

Chiapasphaera[12]

Gen. et sp. nov

In press

Vega & Bruce in Vega et al.

Early Cretaceous (Aptian)

Sierra Madre Formation

 Mexico

An isopod belonging to the family Sphaeromatidae. The type species is C. cretacea.

Daciapagurus szklarkaensis[13]

Sp. nov

Valid

Fraaije et al.

Late Jurassic (Oxfordian)

 Poland

A hermit crab.

Eomunidopsis texcalaensis[14]

Sp. nov

Valid

Klompmaker et al.

Early Cretaceous (Barremian)

Zapotitlán Formation

 Mexico

A member of the family Galatheidae.

Eureotropis[15]

Gen. et sp. nov

In press

Mendes, Santana & Carvalho

Early Cretaceous (Barremian)

Sergipe-Alagoas Basin

 Brazil

A crab belonging to the family Hymenosomatidae. The type species is E. elongata.

Galatheites sforum[14]

Sp. nov

Valid

Klompmaker et al.

Late Jurassic (Kimmeridgian)

Massenkalk Formation

 Germany

A member of Galatheoidea belonging to the family Catillogalatheidae.

Galene dashtbani[16]

Sp. nov

Valid

Khosravi et al.

Miocene (Langhian)

Mishan Formation

 Iran

A species of Galene.

Kromtitis isabenensis[11]

Sp. nov

Valid

Artal et al.

Early Eocene

Serraduy Formation

 Spain

A dromioid crab.

Ladinicaris[17]

Gen. et sp. nov

Valid

Pasini et al.

Middle Triassic

Upper Meride Limestone

  Switzerland

A member of the family Penaeidae. The type species is L. sceltrichensis.

Mclaynotopus[11]

Gen. et sp. nov

Valid

Artal et al.

Early Eocene

Serraduy Formation

 Spain

A dromioid crab. Genus includes new species M. longispinosus.

Protohymenosoma[15]

Gen. et 2 sp. nov

In press

Mendes, Santana & Carvalho

Early Cretaceous (Barremian)

Sergipe-Alagoas Basin

 Brazil

A crab belonging to the family Hymenosomatidae. Genus includes new species P. gondwanicum and P. hexagonale.

Protomunida bennickei[14]

Sp. nov

Valid

Klompmaker et al.

Paleocene (Danian)

 Denmark

A member of the family Munididae.

Protomunida eurekantha[14]

Sp. nov

Valid

Klompmaker et al.

Paleocene (Danian)

Faxe Formation

 Denmark

A member of the family Munididae.

Pylochelitergites cicatrix[13]

Sp. nov

Valid

Fraaije et al.

Late Jurassic (Oxfordian)

 Poland

A hermit crab.

Sierradromia[11]

Gen. et sp. nov

Valid

Artal et al.

Early Eocene

Serraduy Formation

 Spain

A dromioid crab. Genus includes new species S. gladiator.

Tethysgalathea[14]

Gen. et comb. nov

Valid

Klompmaker et al.

Eocene (Ypresian)

 Italy

A member of the family Galatheidae. The type species is "Eomunidopsis" prealpina Beschin et al. (2016).

Tomaricaris[18]

Gen. et sp. nov

Valid

Garassino, Pasini & Nazarkin

Miocene (Serravallian-Tortonian)

Kurasi Formation

 Russia
( Sakhalin Oblast)

A caridean shrimp belonging to the family Barbouriidae. The type species is T. ainuensis.

Torodromia[11]

Gen. et sp. nov

Valid

Artal et al.

Early Eocene

Serraduy Formation

 Spain

A dromioid crab. Genus includes new species T. elongata.

Vasconilia zapotitlanensis[14]

Sp. nov

Valid

Klompmaker et al.

Early Cretaceous (Barremian)

Zapotitlán Formation

 Mexico

A member of Galatheoidea belonging to the family Catillogalatheidae.

Malacostracan research

  • Description of the fossil material of members of Pygocephalomorpha from the Carboniferous Piesberg quarry (Lower Saxony, Germany), including a record of Anthracaris gracilis which was previously reported from the Mazon Creek fossil beds (Illinois, United States) and from Bickershaw (Lancashire, United Kingdom), and a study on the distribution of eumalacostracan crustaceans from Carboniferous deposits of North America and Europe is published by Pazinato et al. (2022).[19]
  • A study on the evolution of carapace morphology of hermit crabs and changes of composition of their assemblages through time is published by Fraaije et al. (2022), who reinstate Probeebeidae as a distinct family, and name a new family Paguropsidae.[20]
  • A study on sexual dimorphism and intersex specimens in the population of hundreds of specimens of the Cretaceous crab Dakoticancer overanus Jones, Schweitzer & Feldmann (2022).[21]
  • A concretion containing an adult and a juvenile individual of Trichopeltarion greggi, representing the first association of an adult female and a juvenile crab of the same species in the fossil record reported to date, is described from the Miocene Greta Siltstone (New Zealand) by Feldmann & Schweitzer (2022), who interpret this finding as possible evidence of maternal care of juveniles.[22]

Ostracods

Name Novelty Status Authors Age Type locality Country Notes Images

Aaleniella franzi[23]

Sp. nov

Valid

Tesakova

Middle Jurassic

 Russia

Aaleniella? ovoidea[23]

Sp. nov

Valid

Tesakova

Middle Jurassic

 Russia

Aaleniella volganica[23]

Sp. nov

Valid

Tesakova

Middle Jurassic

 Russia

Alatobairdia? sohni[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Bairdiidae.

Bairdia aksala[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Bairdiidae.

Bairdia taan[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Carnian and Norian)

Aksala Formation

 Canada
( Yukon)
 Italy

A member of the family Bairdiidae.

Bairdia yukonensis[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Bairdiidae.

Bairdiacypris xainzaensis[25]

Sp. nov

In press

Song et al.

Late Devonian

Chaguoluoma Formation

 China

Clavofabella? lanshella[26]

Sp. nov

Valid

Guillam & Forel in Guillam et al.

Devonian (Famennian)

Gelaohe Formation

 China

A member of Palaeocopida belonging to the family Primitiopsidae.

Cornutobairdia yukonella[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Bairdiidae.

Cyprideis atalaiensis[27]

Sp. nov

Valid

Linhares & Ramos

Early Miocene

Solimões Formation

 Brazil

A member of the family Cytherideidae.

Cyprideis dictyon[27]

Sp. nov

Valid

Linhares & Ramos

Middle to late Miocene

Solimões Formation

 Brazil

A member of the family Cytherideidae.

Cytherellina caerulea[26]

Sp. nov

Valid

Guillam & Forel in Guillam et al.

Devonian (Famennian)

Gelaohe Formation

 China

A member of Podocopida belonging to the family Bairdiocyprididae.

Hungarella limella[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of Podocopa belonging to the family Healdiidae.

Leviella riedeli[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Cytherellidae.

Lobobairdia whitella[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Bairdiidae.

Mirabairdia canadia[24]

Sp. nov

Valid

Forel in Forel et al.

Late Triassic (Norian)

Aksala Formation

 Canada
( Yukon)

A member of the family Bairdiidae.

Nikitinella songliangensis[28]

Sp. nov

In press

Zhang

Ordovician

Huadan Formation

 China

Paranacythere[29]

Gen. et sp. nov

Valid

Bergue et al.

Permian (Guadalupian)

Teresina Formation

 Brazil

A possible member of the family Cytheruridae. The type species is P. nigripallus.

Sansabella gelaohensis[26]

Sp. nov

Valid

Guillam & Forel in Guillam et al.

Devonian (Famennian)

Gelaohe Formation

 China

A member of Palaeocopida belonging to the family Sansabellidae.

Sulcella baisuzhena[26]

Sp. nov

Valid

Guillam & Forel in Guillam et al.

Devonian (Famennian)

Gelaohe Formation

 China

A member of Platycopida belonging to the family Cavellinidae.

Velatomorpha pseudoaltilis[29]

Sp. nov

Valid

Bergue et al.

Permian (Guadalupian)

Teresina Formation

 Brazil

A member of Platycopida belonging to the family Carbonitidae.

Velatomorpha xavante[29]

Sp. nov

Valid

Bergue et al.

Permian (Guadalupian)

Teresina Formation

 Brazil

A member of Platycopida belonging to the family Carbonitidae.

Vendona spinifera[28]

Sp. nov

In press

Zhang

Ordovician

Huadan Formation

 China

Other crustaceans

Name Novelty Status Authors Age Type locality Country Notes Images

Koonwarrella[30]

Gen. et sp. nov

In press

Van Houte, Hegna & Butler

Early Cretaceous (Aptian)

Koonwarra Fossil Bed

 Australia

An anostracan, possibly a member of the family Thamnocephalidae. Genus includes new species K. peterorum.

Insects

Trilobites

Name Novelty Status Authors Age Type locality Location Notes Images

Agerina boygeorgei[31]

Sp. nov

Valid

Karim & Adrain

Ordovician (Floian)

 United States
( Nevada)

A member of the family Phillipsinellidae.

Aguaditaspis[32]

Gen. et sp. nov

Valid

Randolfe, Rustán & Bignon

Devonian (Lochkovian-Pragian)

Talacasto Formation

 Argentina

A member of the family Dalmanitidae. The type species is A. mediaspina.

Amphitryon constrictus[33]

Sp. nov

In press

Wei & Zhou in Wei et al.

Ordovician (Katian)

Daduhe Formation

 China

Anebocephalus[34]

Gen. et sp. nov

Valid

Sundberg & Webster

Cambrian Stage 4

Harkless Formation

 United States
( Nevada)

Genus includes new species A. silverpeakensis.

Catillicephala cifellii[35]

Sp. nov

Valid

Westrop & Dengler

Cambrian (Guzhangian)

Shallow Bay Formation

 Canada
( Newfoundland and Labrador)

A member of the family Catillicephalidae.

Coenoides[34]

Gen. et sp. nov

Valid

Sundberg & Webster

Cambrian Stage 4

Harkless Formation

 United States
( Nevada)

Genus includes new species C. scholteni.

Fantasticolithus[36]

Gen. et sp. nov

Fortey & Gutiérrez-Marco

Early Ordovician

 Peru

A trinucleid trilobite. Genus includes new species F. isabelae.

Forteyaspis[31]

Gen. et 2 sp. et comb. nov

Valid

Karim & Adrain

Ordovician

 Canada

A member of the family Phillipsinellidae. The type species is F. idoli; genus also includes new species F. adamanti, as well as F. norrisi (Ludvigsen, 1980).

Harklessaspis[34]

Gen. et 2 sp. nov

Valid

Sundberg & Webster

Cambrian Stage 4

Harkless Formation

 United States
( Nevada)

Genus includes new species H. rasettii and H. parvigranulosus.

Ivanites[32]

Gen. et sp. nov

Valid

Randolfe, Rustán & Bignon

Devonian (Lochkovian-Pragian)

Talacasto Formation

 Argentina

A member of the family Dalmanitidae. The type species is I. leonorae.

Malongullia sinensis[33]

Sp. nov

In press

Wei & Zhou in Wei et al.

Ordovician (Katian)

Daduhe Formation

 China

Malongullia zhenxiongensis[33]

Sp. nov

In press

Wei & Zhou in Wei et al.

Ordovician (Katian)

Daduhe Formation

 China

Taklamakania paucisegmentatus[33]

Sp. nov

In press

Wei & Zhou in Wei et al.

Ordovician (Katian)

Daduhe Formation

 China

Trilobite research

Other arthropods

Name Novelty Status Authors Age Type locality Country Notes Images

Erratus[40]

Gen. et sp. nov

Fu et al.

Cambrian Stage 3

Helinpu Formation

 China

An early carapace-bearing arthropod. The type species is E. sperare.

Fengzhengia[41]

Gen. et sp. nov

Valid

O'Flynn et al.

Cambrian Stage 3

Chiungchussu Formation

 China

A member of Euarthropoda of uncertain affinities. The type species is F. mamingae.

Hibbertopterus lamsdelli[42]

Sp. nov

In press

Braddy, Lerner & Lucas

Late Carboniferous

 United States
( New Mexico)

A eurypterid.

Paleolimulus mazonensis[43]

Sp. nov

Valid

Bicknell, Naugolnykh & McKenzie

Carboniferous (Moscovian)

Carbondale Formation

 United States
( Illinois)

A member of Xiphosura belonging to the family Paleolimulidae.

Tomlinsonus[44]

Gen. et sp. nov

Valid

Moysiuk et al.

Ordovician (Katian)

Kirkfield Formation

 Canada
( Ontario)

A marrellomorph arthropod. The type species is T. dimitrii.

Vermontcaris[45]

Gen. et sp. nov

Valid

Pari, Briggs & Gaines

Cambrian Stage 4

 United States
( Vermont)

A bivalved arthropod. Genus includes new species V. montcalmi.

  • Redescription of Chuandianella ovata, based on data from new specimens from the Yu’anshan Member of the Chiungchussu Formation (Cambrian Stage 3; Yunnan, China) preserving unprecedented details of their soft anatomy, is published by Zhai et al. (2022).[46]
  • A study on the appendicular organization in Pygmaclypeatus daziensis and on its ecological and evolutionary implications is published by Schmidt et al. (2022).[47]
  • Description of the organization of the central nervous system of a specimen of Mollisonia symmetrica from the Burgess Pass (Burgess Shale; British Columbia, Canada) is published by Ortega-Hernández et al. (2022).[48]
  • A study on the evolutionary stability in the history of fossil and living xiphosurids is published by Bicknell et al. (2022).[49]
  • Revision of Australian xiphosurids Austrolimulus fletcheri, Dubbolimulus peetae, Tasmaniolimulus patersoni and Victalimulus mcqueeni, and a study on the temporal range of these taxa is published by Bicknell et al. (2022), who reinterpret T. patersoni as living in the Triassic rather than Permian.[50]
  • New specimen of Vaderlimulus tricki, providing new information on the anatomy of this xiphosuran and representing the first record of muscles in an austrolimulid reported to date, is described from the Olenekian Thaynes Group (Idaho, United States) by Lerner & Lucas (2022).[51]
  • A study on the anatomy of the chelicerae of Slimonia acuminata, based on data from a new specimen, is published by Lamsdell (2022).[52]

References

  1. Wunderlich, J. (2022). "New and rare spiders (Araneae) in Eocene Baltic amber" (PDF). In Jörg Wunderlich (ed.). Beiträge zur Araneologie, 15. pp. 79–118. ISBN 978-3-931473-22-8.{{cite book}}: CS1 maint: ignored ISBN errors (link)
  2. Wunderlich, J.; Müller, P. (2022). "Description of few Early Miocene fossil spiders (Araneae) in amber of Chiapas, Mexico" (PDF). In Jörg Wunderlich (ed.). Beiträge zur Araneologie, 15. pp. 174–184. ISBN 978-3-931473-22-8.{{cite book}}: CS1 maint: ignored ISBN errors (link)
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