2025 in arthropod paleontology

2025 in arthropod paleontology is a list of new arthropod fossil taxa, including arachnids, crustaceans, trilobites, and other arthropods (except insects, which have their own list) that were announced or described, as well as other significant arthropod paleontological discoveries and events which occurred in 2025.

List of years in arthropod paleontology
In paleontology
2022
2023
2024
2025
2026
2027
2028
In science
2022
2023
2024
2025
2026
2027
2028
In reptile paleontology
2022
2023
2024
2025
2026
2027
2028
In paleobotany
2022
2023
2024
2025
2026
2027
2028
In paleoentomology
2022
2023
2024
2025
2026
2027
2028
In paleomalacology
2022
2023
2024
2025
2026
2027
2028
In archosaur paleontology
2022
2023
2024
2025
2026
2027
2028
In paleomammalogy
2022
2023
2024
2025
2026
2027
2028
In paleoichthyology
2022
2023
2024
2025
2026
2027
2028

Chelicerates

[edit]

Arachnids

[edit]

Amblypygi

[edit]
Name Novelty Status Authors Age Type locality Location Notes Image

Phrynus luisdearmasi[1]

Sp. nov

Valid

Dunlop & Bartel

Miocene (probably Burdigalian)

Dominican amber

 Dominican Republic

A species of Phrynus.

Phrynus poinari[1]

Nom. nov

Valid

Dunlop & Bartel

Miocene

Mexican amber

 Mexico

A species of Phrynus; a replacement name for Phrynus mexicana Poinar & Brown (2004).

Sarcoptiformes

[edit]
Name Novelty Status Authors Age Type locality Location Notes Image

Paralycus ekaterinae[2]

Sp. nov

Valid

Kolesnikov et al.

Eocene (Priabonian)

Rovno amber

 Ukraine

A member of Oribatida belonging to the family Pediculochelidae.

Paralycus primus[2]

Sp. nov

Valid

Kolesnikov et al.

Late Cretaceous (Cenomanian)

Kachin amber

 Myanmar

A member of Oribatida belonging to the family Pediculochelidae.

Scorpiones

[edit]
Name Novelty Status Authors Age Type locality Location Notes Image

Archaeoananteroides carusoi[3]

Sp. nov

Valid

Lourenço in Lourenço & Velten

Cretaceous

Kachin amber

 Myanmar

A scorpion belonging to the superfamily Buthoidea and the family Ananteridae.

Cretaceoushormiops petersi[4]

Sp. nov

Valid

Lourenço in Lourenço & Velten

Cretaceous

Kachin amber

 Myanmar

A scorpion belonging to the family Protoischnuridae.

Jeholia[5]

Gen. et sp. nov

Valid

Xuan et al.

Early Cretaceous

Yixian Formation

 China

A member of Buthida of uncertain affinities. The type species is J. longchengi.

Serratochaerilobuthus barbarae[6]

Sp. nov

Valid

Lourenço & Velten

Cretaceous

Kachin amber

 Myanmar

Scorpion research
[edit]

Crustaceans

[edit]

Malacostracans

[edit]
Name Novelty Status Authors Age Type locality Country Notes Images

Mioapseudes[8]

Gen. et sp. nov

Valid

Wallaard

Miocene

 Cyprus

A tanaidacean. The type species is M. mediterraneus.

Synoriacarcinus[9]

Gen. et comb. nov

Valid

Schweitzer, Feldmann & Findling

Late Cretaceous (Turonian to Campanian)

Merchantville Formation

 United States
( Delaware)

A crab belonging to the family Ibericancridae. The type species is "Diaulax" millerae Bishop (1992); genus also includes "Seorsus" kauffmani Feldmann et al. (2013) from the Mancos Shale (New Mexico, United States).

Malacostracan research

[edit]

Ostracods

[edit]
Name Novelty Status Authors Age Type locality Country Notes Images

Aurila costabausaensis[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Aurila daphnidis[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Aurila mazzarinoensis[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Aurila sanctiandreae[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Bizonidea[13]

Gen. et comb. nov

Franz, Tesakova & Schweigert

Jurassic

 France
 Germany

Genus includes "Progonocythere" gublerae Bizon (1958).

Cytheretta buccheriensis[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Glyptocythere pseudotuberosa[14]

Nom. nov

Valid

Tesakova

Middle Jurassic (Bathonian)

 Germany

A replacement name for Glyptocythere tuberosa Brand & Malz (1962).

Lophocythere? jhuranensis[15]

Sp. nov

Valid

Kumari & Mahalakshmi in Mahalakshmi, Kumari & Muduli

Late Jurassic (Kimmeridgian)

Jhuran Formation

 India

Published online in 2025, but the issue date is listed as December 2024.

Macrodentina jaduraensis[15]

Sp. nov

Valid

Kumari & Mahalakshmi in Mahalakshmi, Kumari & Muduli

Late Jurassic (Kimmeridgian)

Jhuran Formation

 India

Published online in 2025, but the issue date is listed as December 2024.

Patellacythere lineata[15]

Sp. nov

Valid

Kumari & Mahalakshmi in Mahalakshmi, Kumari & Muduli

Late Jurassic (Kimmeridgian)

Jhuran Formation

 India

Published online in 2025, but the issue date is listed as December 2024.

Perissocytheridea (Kroemmelbeinella) hiblaea[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Tenedocythere forticostata[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Verrucocythereis verrucomurata[12]

Sp. nov

Sciuto, Baldanza & Reitano

Pliocene

 Italy

Ostracod research

[edit]

Thecostracans

[edit]
Name Novelty Status Authors Age Type locality Country Notes Images

Proverruca ornata[17]

Sp. nov

Valid

Gale & Jagt

Late Cretaceous (Campanian)

Gulpen Formation

 Belgium

A barnacle.

Thecostracan research

[edit]

Insects

[edit]

Trilobites

[edit]
Name Novelty Status Authors Age Type locality Country Notes Images

Ibexocephala[19]

Gen. et 2 sp. nov

Valid

Adrain

Ordovician (Tremadocian)

Garden City Formation

 United States
( Idaho)

A member of the family Bathyuridae. The type species is I. lossoae; genus also includes I. dekosterae from the Fillmore Formation (Utah, United States).

Kettneraspis dickinsoni[20]

Sp. nov

Valid

Van Viersen, Lerouge & Kesselaer

Devonian (Pragian)

Ihandar Formation

 Morocco

A member of the family Odontopleuridae.

Leonaspis burketti[20]

Sp. nov

Valid

Van Viersen, Lerouge & Kesselaer

Devonian (Pragian)

Ihandar Formation

 Morocco

A member of the family Odontopleuridae.

Leonaspis chancellori[20]

Sp. nov

Valid

Van Viersen, Lerouge & Kesselaer

Devonian (Pragian)

Ihandar Formation

 Morocco

A member of the family Odontopleuridae.

Licnocephala bradleyi[19]

Sp. nov

Valid

Adrain

Ordovician (Tremadocian)

Garden City Formation

 United States
( Idaho)

A member of the family Bathyuridae.

Licnocephala ngi[19]

Sp. nov

Valid

Adrain

Ordovician (Tremadocian)

Garden City Formation

 United States
( Idaho)

A member of the family Bathyuridae.

Trilobite research

[edit]
  • Crônier, Couette & Laffont (2025) compare the utility of 2D and 3D quantitative analyses for the studies of morphological diversity of phacopid trilobites.[21]

Other arthropods

[edit]
Name Novelty Status Authors Age Type locality Country Notes Images

Tardisia[22]

Gen. et sp. nov

Valid

McCoy et al.

Upper Carboniferous (Moscovian)

Mazon Creek fossil beds

 United States

( Illinois)

A probable late surviving member of the Vicissicaudata within Artiopoda. The type species is T. broedeae

Toledodiscus[23]

Gen. et sp. nov

Collantes & Pereira

Cambrian Stage 4

Soleras Formation

 Spain

A member of Agnostida belonging to the family Weymouthiidae. The type species is T. valverdi.

  • O'Flynn et al. (2025) describe new fossil material of Kuamaia lata from the Cambrian Chiungchussu Formation (China), providing new information on the frontal appendages and number of head segments in members of this species, and interpret the studied fossils as indicating that raptorial frontal appendages, ancestral for Euarthropoda but lost in Artiopoda, evolved secondarily within the artiopod lineage that included K. lata.[24]

References

[edit]
  1. ^ a b Dunlop, J. A.; Bartel, C. (2025). "A new species of fossil Phrynus Lamarck, 1801, from Dominican Republic amber (Amblypygi: Phrynidae)". Zootaxa. 5563 (1): 64–72. doi:10.11646/zootaxa.5563.1.7.
  2. ^ a b Kolesnikov, V. B.; Vorontsov, D. D.; Norton, R. A.; Klimov, P. B. (2025). "First fossil evidence of pediculochelid mites: two new species from Middle Cretaceous and Late Eocene amber revealing morphological stasis over at least 99 million years". Acarologia. 65 (1): 67–90. doi:10.24349/uxz4-s4sq.
  3. ^ Lourenço, W. R.; Velten, J. (2025). "A new species for the genus Archaeoananteroides Lourenço, 2016, fossil scorpion from Burmite (Scorpiones: Buthoidea: Ananteridae)". Faunitaxys. 13 (3): 1–6. doi:10.57800/faunitaxys-13(03).
  4. ^ Lourenço, W. R.; Velten, J. (2025). "One more new species for the genus Cretaceoushormiops Lourenço, 2018 from Cretaceous Burmite (Scorpiones: Protoischnuridae)". Faunitaxys. 13 (2): 1–6. doi:10.57800/faunitaxys-13(02).
  5. ^ Xuan, Q.; Cai, C.; Huang, Y.; Huang, D. (2025). "First Mesozoic scorpion from China and its ecological implications". Science Bulletin. doi:10.1016/j.scib.2025.01.035. PMID 39924406.
  6. ^ Lourenço, W. R.; Velten, J. (2025). "Description of a second species for the genus Serratochaerilobuthus Lourenço, 2024 (Scorpiones: Chaerilobuthidae)". Faunitaxys. 13 (10): 1–6. doi:10.57800/faunitaxys-13(10).
  7. ^ Xuan, Q.; Prendini, L.; Engel, M. S.; Cai, C.; Huang, D. (2025). "Extinct scorpion family Chaerilobuthidae from Mid-Cretaceous Burmese amber reinterpreted as subfamily of extant family Pseudochactidae (Chelicerata: Scorpiones)". Zoological Journal of the Linnean Society. 203 (1). zlae169. doi:10.1093/zoolinnean/zlae169.
  8. ^ Wallaard, J. J. W. (2025). "Mioapseudes mediterraneus n. gen. et n. sp. (Crustacea, Tanaidacea, Apseudidae), the first Miocene tanaidacean from Cyprus". Neues Jahrbuch für Geologie und Paläontologie – Abhandlungen. 313 (2): 189–195. doi:10.1127/njgpa/2025/1229.
  9. ^ Schweitzer, C. E.; Feldmann, R. M.; Findling, J. (2025). "Ontogenetic morphology changes in a crab assemblage (Crustacea, Decapoda, Brachyura, Dakoticancroida) from the Late Cretaceous (Maastrichtian) of the Mississippi Embayment, USA". Journal of Paleontology: 1–18. doi:10.1017/jpa.2024.25.
  10. ^ Bicknell, R. D. C.; Klompmaker, A. A.; Smith, P. M.; Hegna, T. A. (2025). "Exploring the morphology and taphonomy of Archaeoniscus brodiei—a gregarious, Early Cretaceous isopod". The Science of Nature. 112 (2). 16. doi:10.1007/s00114-025-01962-8. PMC 11811265. PMID 39928166.
  11. ^ Baucon, A.; Avanzini, M.; Neto De Carvalho, C.; Belaústegui, Z.; Preto, N.; Breda, A. (2025). "The earliest evidence of true crabs? Insights on the evolution of Brachyura from an exceptional exposure of Carnian Psilonichnus (Upper Triassic, Braies, Dolomites, Italy)". Palaeogeography, Palaeoclimatology, Palaeoecology. 112820. doi:10.1016/j.palaeo.2025.112820.
  12. ^ a b c d e f g h Sciuto, F.; Baldanza, A.; Reitano, A. (2025). "Ostracods taxonomic study and other faunistic record from Costa Bausa (Buccheri, Southeastern Sicily)". Revue de Micropaléontologie. 100830. doi:10.1016/j.revmic.2024.100830.
  13. ^ Franz, M.; Tesakova, E.; Schweigert, G. (2025). "Callovian and Oxfordian ostracoda from Baden-Wuerttemberg, SW-Germany". Palaeontographica Abteilung A. doi:10.1127/pala/2025/0158.
  14. ^ Tesakova, E. M. (2025). "New Ostracod Genera Bathoniella (Bathonian and Lower Callovian of the East European Platform and Northern Germany) and Parabathoniella (Lower and Middle Bathonian of Scotland). Part 2: Evolution and Biostratigraphy". Stratigraphy and Geological Correlation. 33 (1): 99–113. doi:10.1134/S0869593824700278.
  15. ^ a b c Mahalakshmi, T.; Kumari, M.; Muduli, G. P. (2025). "Kimmeridgian (Upper Jurassic) Ostracodes from the Jhuran Formation, Mainland Kachchh, Gujarat, India". Paleontological Journal. 58 (11): 1216–1225. doi:10.1134/S0031030124601087.
  16. ^ Wang, Y.; Choi, B.-D.; Smith, R. J.; Wu, D. (2025). "Application of Ostracoda from the Lower Cretaceous Liupanshan Group at Pingliang (NW China) – Biostratigraphy and palaeoecology". Cretaceous Research. 106079. doi:10.1016/j.cretres.2025.106079.
  17. ^ Gale, A. S.; Jagt, J. W. M. (2025). "A new species of the cirripede genus Proverruca Withers, 1914 (Crustacea, Thoracica) from the upper Campanian (Upper Cretaceous) of northeastern Belgium". Zootaxa. 5583 (2): 383–390. doi:10.11646/zootaxa.5583.2.9.
  18. ^ Gale, A. S.; Sadorf, E. (2025). "Pliocene distribution of the cirripede Verruca stroemia (O.F. Müller, 1776) and revised definitions of the verrucid genera Verruca, Metaverruca and Priscoverruca (Thoracica, Crustacea)". Acta Geologica Polonica. 75 (1). e39. doi:10.24425/agp.2024.152661.
  19. ^ a b c Adrain, J. M. (2025). "The Early Ordovician bathyurid trilobites Licnocephala and Ibexocephala". Journal of Paleontology: 1–28. doi:10.1017/jpa.2024.10.
  20. ^ a b c van Viersen, A. P.; Lerouge, F.; Kesselaer, I. (2025). "New odontopleurine trilobites from the Ihandar Formation (Pragian, Lower Devonian) in the Ma'der Basin, southern Morocco". Neues Jahrbuch für Geologie und Paläontologie – Abhandlungen. doi:10.1127/njgpa/2025/1242.
  21. ^ Crônier, C.; Couette, S.; Laffont, R. (2025). "Is 3D, a more accurate quantitative method than 2D, crucial for analyzing disparity patterns in extinct marine arthropods (Trilobita)?". Paleobiology: 1–19. doi:10.1017/pab.2024.44.
  22. ^ McCoy, Victoria E.; Herrera, Fabiany; Wittry, Jack; Mayer, Paul; Lamsdell, James C. (2025). "A possible vicissicaudatan arthropod from the Late Carboniferous Mazon Creek Lagerstätte". Geological Magazine. 162: e3. doi:10.1017/S001675682400044X. ISSN 0016-7568.
  23. ^ Collantes, L.; Pereira, S. (2025). "Toledodiscus valverdi gen. et sp. nov., a new eodiscide trilobite from the upper Marianian (Cambrian Series 2, Stage 4) of Toledo, Spain". Historical Biology: An International Journal of Paleobiology. doi:10.1080/08912963.2025.2461086.
  24. ^ O'Flynn, R. J.; Williams, M.; Liu, Y.; Hou, X.; Guo, J.; Edgecombe, G. D. (2025). "The early Cambrian Kuamaia lata, an artiopodan euarthropod with a raptorial frontal appendage". Journal of Paleontology: 1–13. doi:10.1017/jpa.2024.33.