Biology:2024 in archosaur paleontology

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This article records new taxa of every kind of fossil archosaur that are scheduled to be described during 2024, as well as other significant discoveries and events related to the paleontology of archosaurs that will be published in 2024.

Pseudosuchians

New pseudosuchian taxa

Name Novelty Status Authors Age Type locality Country Notes Images

Aphaurosuchus kaiju[1]

Sp. nov

In press

Martins et al.

Late Cretaceous

Adamantina Formation

 Brazil

A baurusuchid. Announced in 2023; the final article version was published in 2024.

Garzapelta[2]

Gen. et sp. nov

Reyes, Martz & Small

Late Triassic (Norian)

Cooper Canyon Formation

 United States
( Texas)

An aetosaur. The type species is G. muelleri.

Ophiussasuchus[3]

Gen. et sp. nov

Valid

López-Rojas et al.

Late Jurassic (Kimmeridgian-Tithonian)

Lourinhã Formation

 Portugal

A goniopholidid crocodylomorph. The type species is O. paimogonectes.

Varanosuchus[4]

Gen et sp. nov

In press

Pochat-Cottilloux et al.

Early Cretaceous

Sao Khua Formation

 Thailand

An atoposaurid. The type species is V. sakonnakhonensis.

General pseudosuchian research

  • A study on the anatomy of the skull and on the neurology of Tarjadia ruthae is published by Desojo et al. (2024).[5]
  • Redescription of the skeletal anatomy of Shuvosaurus inexpectatus is published by Nesbitt & Chatterjee (2024).[6]
  • Mastrantonio et al. (2024) describe the anatomy of the postcranial skeleton of the most complete specimen of Prestosuchus chiniquensis reported to date, and revise the diagnosis for P. chiniquensis.[7]

Aetosaur research

Crocodylomorph research

  • Young et al. (2024) provide higher level systematization for Thalattosuchia under both the PhyloCode and the International Code of Zoological Nomenclature, naming new taxa Neothalattosuchia, Euthalattosuchia and Dakosaurina.[8]
  • A study on the bone histology of Araripesuchus buitreraensis, providing evidence of generally slow, annually interrupted growth rate, is published by Navarro et al. (2024).[9]
  • Evidence of a continuous and coordinated tooth replacement in Armadillosuchus arrudai, ensuring that the animal would not lose too many teeth simultaneously and that its feeding abilities were not affected by tooth loss, is presented by Borsoni, Carvalho & Marinho (2024).[10]

Non-avian dinosaurs

New dinosaur taxa

Name Novelty Status Authors Age Type locality Country Notes Images

Eoneophron[11]

Gen. et sp. nov

Atkins-Weltman et al.

Late Cretaceous (Maastrichtian)

Hell Creek Formation

 United States
( South Dakota)

A caenagnathid theropod. The type species is E. infernalis.

Eoneophron infernalis.png

Gandititan[12]

Gen. et sp. nov

Valid

Han et al.

Late Cretaceous (Cenomanian-Turonian)

Zhoutian Formation

 China

A titanosaur sauropod. The type species is G. cavocaudatus.

Inawentu[13]

Gen. et sp. nov

In press

Filippi et al.

Late Cretaceous (Santonian)

Bajo de la Carpa Formation

 Argentina

A titanosaur sauropod. The type species is I. oslatus. Announced in 2023; the final article version will be published in 2024.

Inawentu oslatus.png

Sidersaura[14] Gen. et sp. nov Valid Lerzo et al. Late Cretaceous (Cenomanian-Turonian) Huincul Formation  Argentina A rebbachisaurid sauropod. The type species is S. marae. Sidersaura.png

Tyrannosaurus mcraeensis[15]

Sp. nov

In press

Dalman et al.

Late Cretaceous (Campanian-Maastrichtian)

Hall Lake Formation

 United States
( New Mexico)

A tyrannosaurine; a species of Tyrannosaurus.

Tyrannosaurus mcraeensis (skull reconstruction).png

Vectidromeus[16]

Gen. et sp. nov

In press

Longrich et al.

Early Cretaceous (Barremian)

Wessex Formation

 United Kingdom

A hypsilophodontid. The type species is V. insularis. Announced in 2023; the final article version will be published in 2024.

Vectidromeus.png

Yanbeilong[17]

Gen. et sp. nov

In press

Jia et al.

Early Cretaceous (Albian)

Zuoyun Formation

 China

A stegosaurian. The type species is Y. ultimus.

General non-avian dinosaur research

  • Evidence indicating that the evolution of rostral keratin cover was associated with partial tooth reduction throughout the evolutionary history of dinosaurs, but does not explain the complete loss of teeth in dinosaur lineages, is presented by Aguilar-Pedrayes, Gardner & Organ (2024).[18]

Saurischian research

Theropod research

  • A study on the affinities of isolated theropod teeth from the Bauru Basin (Brazil ) is published by Delcourt et al. (2024), who argue that the geographical distribution of abelisaurids in South America was influenced by climatic conditions.[19]
  • A study in the bone histology of a mid-sized abelisaurid from the Upper Cretaceous Serra da Galga Formation (Brazil ) is published by Aureliano et al. (2024), who report that, despite living in a semiarid tropical environment, the studied specimen had a growth rate similar to those of the Patagonian abelisaurids.[20]
  • A study on the skeletal pathologies affecting known specimens of brachyrostran abelisaurids is published by Baiano et al. (2024), who diagnose the fusion of two caudal vertebrae of the holotype specimen of Aucasaurus garridoi as congenital malformation and diagnose partial fusion of five caudal vertebrae of the holotype of Elemgasem nubilus as spondyloraptropathy, in both cases representing the first occurrences of the diagnosed pathologies among non-tetanuran theropods.[21]
  • Montealegre, Castillo-Visa & Sellés (2024) describe previously unpublished fossil material of theropods (cf. Protathlitis and a carcharodontosaurid which might be distinct from Concavenator) from the Barremian Arcillas de Morella Formation (Spain ).[22]
  • Longrich & Saitta (2024) review the taxonomic status of Nanotyrannus and argue that multiple lines of evidence support it as a distinct, small-bodied, possibly non-tyrannosaurid taxon, rather than an immature form of Tyrannosaurus.[23]
  • Park et al. (2024) propose that early pennaraptorans might have used their pennaceous feathers to flush hiding insects and to generate lift or drag during the pursuit of the flushed insects, and propose that such use of the pennaceous feathers might have contributed to the evolution of larger and stiffer feathers.[24]
  • Gianechini, Colli & Makovicky (2024) present a reconstruction of the pelvic and hindlimb musculature of Buitreraptor gonzalezorum.[25]

Sauropodomorph research

  • Agustí, Alcalá & Santos-Cubedo (2024) propose that sauropod gigantism was an adaptation that increased the ability of sauropods to travel great distances, necessitated by pronounced seasonal changes.[26]

Ornithischian research

Thyreophoran research

  • The first stegosaurian fossil material from Gansu (China ), assigned to Stegosaurus sp., is described from the Lower Cretaceous Hekou Group by Li et al. (2024).[27]

Cerapod research

  • Nikolov, Dochev, & Brusatte (2024) test the ontogenetic age of small hadrosauroid bones from the Late Cretaceous (Maastrichtian) Kaylaka Formation (Bulgaria), and determine that the specimen likely belonged to a late juvenile or young subadult, rather than a dwarved adult, and suggest that large terrestrial animals were able to populate some European islands via a cyclically-appearing or short-lived dispersal route.[28]

Birds

New bird taxa

Name Novelty Status Authors Age Type locality Country Notes Images

Wunketru[29]

Gen. et comb. nov

In press

De Mendoza, Degrange & Tambussi

Eocene

Las Flores Formation

 Argentina

A member of Anseriformes of uncertain affinites; a new genus for "Telmabates" howardae.

Avian research

  • The Cretaceous fossil record of avialans from China is reviewed by Zhou & Wang (2024).[30]
  • A morphometric study of a large sample of specimens of Confuciusornis sanctus is published by Zhou et al. (2024), who intepret their findings as indicative of the presence of sexual dimorphism in this species.[31]
  • A study on the limb bone histology and growth dynamics of Musivavis amabilis is published by Kundrát et al. (2024).[32]
  • Zelenkov (2024) describes a fragmentary humerus of a buttonquail from the Lower Pleistocene strata from the Taurida Cave (Crimea), representing the first record of a member of the family Turnicidae from Eurasia from the Pliocene to Middle Pleistocene interval.[33]
  • Acosta Hospitaleche & Jones (2024) describe partial tibiotarsus of a psilopterine phorusrhacid from the Eocene (Lutetian) Sarmiento Formation (Argentina), interpreted as belonging to a bird with an estimated body mass of approximately 5 kg.[34]

Pterosaurs

New pterosaur taxa

Name Novelty Status Authors Age Type locality Country Notes Images

Pterosaur research

Other archosaurs

Other archosaur research

  • Agnolín et al. (2024) revise the anatomy of the pelvic girdle of Lagerpeton chanarensis, reinterpreting it as likely to have a sprawling gait.[35]

General research

References

  1. ↑ Martins, K. C.; Queiroz, M. V.; Ruiz, J. V.; Langer, M. C.; Montefeltro, F. C. (2024). "A new Baurusuchidae (Notosuchia, Crocodyliformes) from the Adamantina Formation (Bauru Group, Upper Cretaceous), with a revised phylogenetic analysis of Baurusuchia". Cretaceous Research 153: 105680. doi:10.1016/j.cretres.2023.105680. Bibcode: 2024CrRes.15305680M. 
  2. ↑ Reyes, W. A.; Martz, J. W.; Small, B. J. (2024). "Garzapelta muelleri gen. et sp. nov., a new aetosaur (Archosauria: Pseudosuchia) from the Late Triassic (middle Norian) middle Cooper Canyon Formation, Dockum Group, Texas, USA, and its implications on our understanding of the morphological disparity of the aetosaurian dorsal carapace". The Anatomical Record. doi:10.1002/ar.25379. PMID 38206046. 
  3. ↑ López-Rojas, V.; Mateus, S.; Marinheiro, J.; Mateus, O.; Puértolas-Pascual, E. (2024). "A new goniopholidid crocodylomorph from the Late Jurassic of Portugal". Palaeontologia Electronica 27 (1): 27.1.5a. doi:10.26879/1316. 
  4. ↑ Pochat-Cottilloux, Yohan; Lauprasert, Komsorn; Chanthasit, Phornphen; Manitkoon, Sita; Adrien, Jérôme; Lachambre, Joël; Amiot, Romain; Martin, Jeremy E. (2024-01-09). "New Cretaceous neosuchians (Crocodylomorpha) from Thailand bridge the evolutionary history of atoposaurids and paralligatorids". Zoological Journal of the Linnean Society In press: 1–27. doi:10.1093/zoolinnean/zlad195. https://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlad195/7513556. 
  5. ↑ Desojo, J. B.; von Baczko, M. B.; Ezcurra, M. D.; Fiorelli, L. E.; Martinelli, A. G.; Bona, P.; Trotteyn, M. J.; Lacerda, M. (2024). "Cranial osteology and paleoneurology of Tarjadia ruthae: An erpetosuchid pseudosuchian from the Triassic Chañares Formation (late Ladinian-?early Carnian) of Argentina". The Anatomical Record. doi:10.1002/ar.25382. PMID 38263705. 
  6. ↑ Nesbitt, S. J.; Chatterjee, S. (2024). "The osteology of Shuvosaurus inexpectatus, a shuvosaurid pseudosuchian from the Upper Triassic Post Quarry, Dockum Group of Texas, USA". The Anatomical Record. doi:10.1002/ar.25376. PMID 38258540. 
  7. ↑ Mastrantonio, B. M.; Lacerda, M. B.; de Farias, B. D. M.; Pretto, F. A.; Rezende, L. O.; Desojo, J. B.; Schultz, C. L. (2024). "Postcranial anatomy of Prestosuchus chiniquensis (Archosauria: Loricata) from the Triassic of Brazil". The Anatomical Record. doi:10.1002/ar.25383. PMID 38299218. 
  8. ↑ Young, M. T.; Wilberg, E. W.; Johnson, M. M.; Herrera, Y.; Brandalise de Andrade, M.; Brignon, A.; Sachs, S.; Abel, P. et al. (2024). "The history, systematics, and nomenclature of Thalattosuchia (Archosauria: Crocodylomorpha)". Zoological Journal of the Linnean Society. doi:10.1093/zoolinnean/zlad165. https://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlad165/7513652. 
  9. ↑ Navarro, T. G.; Cerda, I. A.; Fernández Dumont, M. L.; Apesteguía, S.; Pol, D. (2024). "New data on the bone histology of Araripesuchus buitreraensis (Crocodylomorpha: Notosuchia) from the Late Cretaceous of Argentinean Patagonia". Historical Biology: An International Journal of Paleobiology: 1–11. doi:10.1080/08912963.2023.2301140. 
  10. ↑ Borsoni, B. T.; Carvalho, I. S.; Marinho, T. S. (2024). "Armadillosuchus arrudai (Sphagesauridae, Crocodyliformes), Adamantina Formation (Turonian - Santonian), Bauru Basin, southeastern Brazil: Dental development aspects". Cretaceous Research: 105838. doi:10.1016/j.cretres.2024.105838. 
  11. ↑ Atkins-Weltman, K. L.; Simon, D. J.; Woodward, H. N.; Funston, G. F.; Snively, E. (2024). "A new oviraptorosaur (Dinosauria: Theropoda) from the end-Maastrichtian Hell Creek Formation of North America". PLOS ONE 19 (1): e0294901. doi:10.1371/journal.pone.0294901. PMID 38266012. 
  12. ↑ Han, F.; Yang, L.; Lou, F.; Sullivan, C.; Xu, X.; Qiu, W.; Liu, H.; Yu, J. et al. (2024). "A new titanosaurian sauropod, Gandititan cavocaudatus gen. et sp. nov., from the Late Cretaceous of southern China". Journal of Systematic Palaeontology 22 (1): 2293038. doi:10.1080/14772019.2023.2293038. https://www.tandfonline.com/doi/full/10.1080/14772019.2023.2293038. 
  13. ↑ Filippi, Leonardo S.; Juárez Valieri, Rubén D.; Gallina, Pablo A.; Méndez, Ariel H.; Gianechini, Federico A.; Garrido, Alberto C. (2024). "A rebbachisaurid-mimicking titanosaur and evidence of a Late Cretaceous faunal disturbance event in South-West Gondwana" (in en). Cretaceous Research 154. doi:10.1016/j.cretres.2023.105754. ISSN 0195-6671. Bibcode: 2024CrRes.15405754F. 
  14. ↑ Lerzo, Lucas Nicolás; Gallina, Pablo Ariel; Canale, Juan Ignacio; Otero, Alejandro; Carballido, José Luis; Apesteguía, Sebastián; Makovicky, Peter Juraj (2024-01-03). "The last of the oldies: a basal rebbachisaurid (Sauropoda, Diplodocoidea) from the early Late Cretaceous (Cenomanian–Turonian) of Patagonia, Argentina" (in en). Historical Biology: 1–26. doi:10.1080/08912963.2023.2297914. ISSN 0891-2963. https://www.tandfonline.com/doi/full/10.1080/08912963.2023.2297914. 
  15. ↑ Dalman, S. G; Loewen, M. A.; Pyron, R. A.; Jasinski, S. E.; Malinzak, D. E.; Lucas, S. G.; Fiorillo, A. R.; Currie, P. J. et al. (2024). "A giant tyrannosaur from the Campanian–Maastrichtian of southern North America and the evolution of tyrannosaurid gigantism". Scientific Reports 13: Article number 22124. doi:10.1038/s41598-023-47011-0. PMID 38212342. 
  16. ↑ Longrich, Nicholas R.; Martill, David M.; Munt, Martin; Green, Mick; Penn, Mark; Smith, Shaun (2024). "Vectidromeus insularis, a new hypsilophodontid dinosaur from the Lower Cretaceous Wessex Formation of the Isle of Wight, England". Cretaceous Research 154: 105707. doi:10.1016/j.cretres.2023.105707. ISSN 0195-6671. Bibcode: 2024CrRes.15405707L. https://www.sciencedirect.com/science/article/pii/S0195667123002355. 
  17. ↑ Jia, Lei; Li, Ning; Dong, Liyang; Shi, Jianru; Kang, Zhishuai; Wang, Suozhu; Xu, Shichao; You, Hailu (2024-01-31). "A new stegosaur from the late Early Cretaceous of Zuoyun, Shanxi Province, China" (in en). Historical Biology: 1–10. doi:10.1080/08912963.2024.2308214. ISSN 0891-2963. 
  18. ↑ Aguilar-Pedrayes, I.; Gardner, J. D.; Organ, C. L. (2024). "The coevolution of rostral keratin and tooth distribution in dinosaurs". Proceedings of the Royal Society B: Biological Sciences 291 (2015): 20231713. doi:10.1098/rspb.2023.1713. PMID 38229513. 
  19. ↑ Delcourt, R.; Brilhante, N. S.; Pires-Domingues, R. A.; Hendrickx, C.; Grillo, O. N.; Augusta, B. G.; Maciel, B. S.; Ghilardi, A. M. et al. (2024). "Biogeography of theropod dinosaurs during the Late Cretaceous: evidence from central South America". Zoological Journal of the Linnean Society. doi:10.1093/zoolinnean/zlad184. https://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlad184/7512651. 
  20. ↑ Aureliano, T.; Ghilardi, A. M.; Fonseca, P. H. M.; Martinelli, A. G.; Marinho, T. S. (2024). "The evolution and diversification of growth strategies in abelisauroid theropods". Journal of Vertebrate Paleontology: e2298395. doi:10.1080/02724634.2023.2298395. 
  21. ↑ Baiano, M. A.; Cerda, I. A.; Bertozzo, F.; Pol, D. (2024). "New information on paleopathologies in non-avian theropod dinosaurs: a case study on South American abelisaurids". BMC Ecology and Evolution 24: 6. doi:10.1186/s12862-023-02187-x. PMID 38291378. 
  22. ↑ Montealegre, A.; Castillo-Visa, O.; Sellés, A. (2024). "New theropod remains from the late Barremian (Early Cretaceous) of Eastern Iberian Peninsula". Historical Biology: An International Journal of Paleobiology. doi:10.1080/08912963.2024.2308220. 
  23. ↑ Longrich, Nicholas R.; Saitta, Evan T. (2024-03-01). "Taxonomic Status of Nanotyrannus lancensis (Dinosauria: Tyrannosauroidea)—A Distinct Taxon of Small-Bodied Tyrannosaur" (in en). Fossil Studies 2 (1): 1–65. doi:10.3390/fossils2010001. 
  24. ↑ Park, J.; Son, M.; Park, J.; Bang, S. Y.; Ha, J.; Moon, H.; Lee, Y.-N.; Lee, S. et al. (2024). "Escape behaviors in prey and the evolution of pennaceous plumage in dinosaurs". Scientific Reports 14: 549. doi:10.1038/s41598-023-50225-x. PMID 38272887. 
  25. ↑ Gianechini, F. A.; Colli, L.; Makovicky, P. J. (2024). "Pelvic and hindlimb muscular reconstruction of the paravian theropod Buitreraptor gonzalezorum and its palaeobiological implications". Historical Biology: An International Journal of Paleobiology: 1–27. doi:10.1080/08912963.2023.2301674. 
  26. ↑ Agustí, J.; Alcalá, L.; Santos-Cubedo, A. (2024). "Did large foraging migrations favor the enormous body size of giant sauropods? The case of Turiasaurus". Spanish Journal of Palaeontology. doi:10.7203/sjp.28176. 
  27. ↑ Li, N.; Li, D.; Peng, G.; You, H. (2024). "The first stegosaurian dinosaur from Gansu Province, China". Cretaceous Research: 105852. doi:10.1016/j.cretres.2024.105852. 
  28. ↑ Nikolov, Vladimir; Dochev, Docho; Brusatte, Stephen L. (2024-01-01). "The ontogenetic status of a small hadrosauroid dinosaur from the uppermost Cretaceous of Bulgaria, and implications for the paleobiogeography and assembly of European island faunas" (in en). Cretaceous Research 157 (In press): 105819. doi:10.1016/j.cretres.2023.105819. https://linkinghub.elsevier.com/retrieve/pii/S0195667123003476. 
  29. ↑ De Mendoza, Ricardo Santiago; Degrange, Federico Javier; Tambussi, Claudia Patricia (2024). "An assessment of the anseriform affinities of "Telmabates" howardae". Journal of South American Earth Sciences 135: 104786. doi:10.1016/j.jsames.2024.104786. https://www.sciencedirect.com/science/article/abs/pii/S0895981124000087. 
  30. ↑ Zhou, Zhonghe; Wang, Min (2024). "Cretaceous fossil birds from China". Geological Society, London, Special Publications 544 (1). doi:10.1144/SP544-2023-129. 
  31. ↑ Zhou, Y.; Pan, Y.; Wang, M.; Wang, X.; Zheng, X.; Zhou, Z. (2024). "Fossil evidence sheds light on sexual selection during the early evolution of birds". Proceedings of the National Academy of Sciences of the United States of America 121 (3): e2309825120. doi:10.1073/pnas.2309825120. PMID 38190528. 
  32. ↑ Kundrát, M.; Horváth, D.; Wang, Z.; Wang, X. (2024). "Developmental distribution of osteocyte lacunae in the limb bone cortex of Musivavis amabilis with a review of bone microstructure adaptations in Enantiornithes". Cretaceous Research: 105839. doi:10.1016/j.cretres.2024.105839. 
  33. ↑ Zelenkov, N. V. (2024). "Unexpected Find of a Buttonquail (Aves: Charadriiformes: Turnicidae) in the Lower Pleistocene of Crimea". Doklady Biological Sciences. doi:10.1134/S0012496623600148. PMID 38190042. 
  34. ↑ Acosta Hospitaleche, C.; Jones, W. (2024). "Insights on the oldest terror bird (Aves, Phorusrhacidae) from the Eocene of Argentina". Historical Biology: An International Journal of Paleobiology. doi:10.1080/08912963.2024.2304592. 
  35. ↑ Agnolín, F. L.; Novas, F. E.; Ezcurra, M. D.; Miner, S.; Müller, R. T. (2024). "Comments on the pelvic girdle anatomy of Lagerpeton chanarensis Romer, 1971 (Archosauria) and its implications on the posture and gait of early pterosauromorphs". The Anatomical Record. doi:10.1002/ar.25389. PMID 38263641. 



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