2024_in_arthropod_paleontology

2024 in arthropod paleontology

2024 in arthropod paleontology

Overview of the events of 2024 in arthropod paleontology

2024 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 2024.

Quick Facts List of years in arthropod paleontology ...

Chelicerates

Arachnids

Araneae

More information Name, Novelty ...

Ixodida

More information Name, Novelty ...

Opiliones

Opiliones research
  • Gainett et al. (2024) report that extant daddy longlegs have six eyes, including four vestigial ones, and reevaluate the affinities of fossil members of Opiliones with four eyes, resulting in older estimated ages of harvestman diversification.[5]

Pseudoscorpiones

More information Name, Novelty ...

Scorpiones

More information Name, Novelty ...

Solifugae

More information Name, Novelty ...

Trombidiformes

Trombidiform research
  • Larvae of mites belonging to the group Erythraeoidea parasitising gall midges (providing evidence of an association unknown in extant fauna) are reported from the Cretaceous amber from Myanmar by Arce et al. (2024), who interpret this finding as indicative of shift of the host range of the studied mites after the Cretaceous.[10]

Other chelicerates

More information Name, Novelty ...

Crustaceans

Malacostracans

More information Name, Novelty ...

Ostracods

More information Name, Novelty ...

Ostracod research

  • A study on pores and associated canals in extant and Triassic ornate bairdiids, providing new morphological data interpret as supporting the interpretation of the Triassic genera Mirabairdia and Nodobairdia as distinct from the extant genus Triebelina, is published by Forel et al. (2024).[25]
  • Taxonomic revision of ostracods from the Lower Cretaceous Codó Formation (Brazil) is published by Coimbra & Petró (2024).[26]

Other crustaceans

More information Name, Novelty ...

Insects

Main article: 2024 in paleoentomology

Radiodonts

More information Name, Novelty ...

Trilobites

More information Name, Novelty ...

Trilobite research

  • Drage (2024) finds evidence of only minor differences in morphometry between trilobites displaying different modes of moulting.[41]
  • Trilobite fossil material from the Tiout section in Morocco, representing the first occurrence of trilobites in West Gondwana and some of the oldest trilobite fossils in general, is determined to be approximately 519.62-million-years-old by Sinnesael, Millard & Smith (2024).[42]
  • Hopkins, Gutiérrez-Marco & Di Silvestro (2024) describe fossil material of Leptoplastides salteri from the Fezouata Formation (Morocco), extending known range of this species from Avalonia into Gondwana.[43]
  • Specimens of Dalmanitina socialis preserved with remains of the alimentary tract are described from the Ordovician Letná Formation (Czech Republic) by Fatka, Budil & Mikuláš (2024).[44]
  • Bicknell et al. (2024) describe a specimen of Toxochasmops vormsiensis from the Katian Kõrgessaare Formation (Estonia) preserved molted within the body chamber of a nautiloid cephalopod Gorbyoceras textumaraneum, representing the first known record of cryptic molting of pterygometopid trilobites.[45]

Other arthropods

More information Name, Novelty ...
  • Lin et al. (2024) describe new fossil material of Retifacies abnormalis from the Cambrian Helinpu Formation (Yunnan, China) including large specimens with a carapace ornamentation different from what was previously known, and interpret the reported differences as developing during ontogeny, but don't consider them to indicate sexual dimorphs.[49]

General research

References

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    Guo, X.; Selden, P. A.; Ren, D.; Niu, Y.; Zhang, F. (2024). "New Lineaburmops fossils (Araneae: Lagonomegopidae) with contrasting color patterns from mid-Cretaceous Kachin amber, northern Myanmar". Cretaceous Research. 158. 105835. Bibcode:2024CrRes.15805835G. doi:10.1016/j.cretres.2024.105835. S2CID 267009986.
  2. [2]
    Hou, Y.M.; Guo, X.B.; Selden, P. A.; Wang, L.Y.; Ren, D. (2024). "Two new long-pedipalp spiders (Araneae: Pholcochyroceridae) from mid-Cretaceous Kachin amber of northern Myanmar". Palaeoentomology. 7 (2): 224–236. doi:10.11646/palaeoentomology.7.2.6.
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    Poinar, G (2024). "Myrmarachne colombiana sp. n. (Araneae: Salticidae), a new species of ant-mimic spider in copal from Colombia, South America". Historical Biology: An International Journal of Paleobiology: 1–6. doi:10.1080/08912963.2024.2320190.
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    Chitimia-Dobler, L.; Handschuh, S.; Dunlop, J. A.; Pienaar, R.; Mans, B. J. (2024). "Nuttalliellidae in Burmese amber: Implications for Tick Evolution". Parasitology: 1–48. doi:10.1017/S0031182024000477. PMID 38623697.
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    Gainett, G.; Klementz, B. C.; Blaszczyk, P.; Setton, E. V. W.; Murayama, G. P.; Willemart, R.; Gavish-Regev, E.; Sharma, P. P. (2024). "Vestigial organs alter fossil placements in an ancient group of terrestrial chelicerates". Current Biology. 34 (6): 1258–1270.e5. Bibcode:2024CBio...34E1258G. doi:10.1016/j.cub.2024.02.011. PMID 38401545. S2CID 267821504.
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    Arce, S. I.; Haug, C.; Haug, J. T.; Amaral, A. P. (2024). "Driven apart: fossil parasitic long-legged velvet mite larvae on gall midges represent a long lost parasitic association between mites and dipterans". Palaeoentomology. 7 (2): 254–264. doi:10.11646/palaeoentomology.7.2.9.
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    Copilaş-Ciocianu, D.; Ionesi, V. (2024). "New Miocene fossil taxa illuminate the evolution and paleobiogeography of the Ponto-Caspian gammaroid amphipod radiation". Contributions to Zoology: 1–21. doi:10.1163/18759866-bja10061.
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    Gašparič, R.; Hyžný, M.; Hitij, T.; Šoster, A. (2024). "Late Oligocene decapod crustaceans from the Trbovlje Formation of Slovenia, with a description of two new species of hymenosomatid crabs". Palaeontologia Electronica. 27 (1). 27.1.a4. doi:10.26879/1312.
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    Garassino, A.; Pasini, G.; Mirzaie Ataabadi, M.; Hadi, M.; Parsazad, M.; Nyborg, T.; Vega, F. J. (2024). "New report of decapod crustaceans from the Miocene of Iran" (PDF). Boletín de la Sociedad Geológica Mexicana. 76 (1). A200324. doi:10.18268/BSGM2024v76n1a200324 (inactive 2024-04-15).{{cite journal}}: CS1 maint: DOI inactive as of April 2024 (link)
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    Pasini, G.; Garassino, A. (2024). "A new portunid crab (Brachyura, Portunoidea) from the upper Middle Miocene of Sardinia, Italy". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 310 (3): 283–291. doi:10.1127/njgpa/2023/1183.
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