A study aiming to quantify the completeness of the acanthodian fossil record is published by Schnetz et al. (2022).[12]
A study on the biomechanical properties and likely function of bony spines in front of the fins of members of the genus Machaeracanthus is published by Ferrón et al. (2022).[13]
Shan, X.; Gai, Z.; Lin, X.; Chen, Y.; Zhu, M.; Zhao, W. The oldest eugaleaspiform fishes from the Silurian red beds in Jiangxi, South China and their stratigraphic significance. Journal of Asian Earth Sciences. 2022, 229: Article 105187. doi:10.1016/j.jseaes.2022.105187.
Shan, X.; Zhao, W.; Gai, Z. A New Species of Jiangxialepis (Galeaspida) from the Lower Telychian (Silurian) of Jiangxi and its Biostratigraphic Significance. Acta Geologica Sinica (English Edition). 2022. doi:10.1111/1755-6724.15009.
Gai, Z.; Li, Q.; Ferrón, H. G.; Keating, J. N.; Wang, J.; Donoghue, P. C. J.; Zhu, M. Galeaspid anatomy and the origin of vertebrate paired appendages. Nature. 2022, 609 (7929): 959–963. PMID 36171376. doi:10.1038/s41586-022-04897-6.
Sun, H.-R.; Gai, Z.-K.; Cai, J.-C.; Li, Q.; Zhu, M.; Zhao, W.-J. Xitunaspis, a new eugaleaspid fish (Eugaleaspiformes, Galeaspida) from the Lower Devonian of Qujing, Yunnan. Vertebrata PalAsiatica. 2022, 60 (3): 169–183. doi:10.19615/j.cnki.2096-9899.220412.
Meng, X.-Y.; Zhu, M.; Li, Q.; Gai, Z.-K. New data on the cranial anatomy of Pterogonaspis (Tridensaspidae, Galeaspida) from the lower Devonian of Yunnan, China and its evolutionary implications. The Anatomical Record. 2022. PMID 36271627. doi:10.1002/ar.25098.
Märss, T.; Wilson, M. V. H.; Viljus, M. Endolymphatic structures in headshields of the osteostracan genus Tremataspis (Agnatha) from the Silurian of Estonia. Estonian Journal of Earth Sciences. 2022, 71 (3): 135–156. doi:10.3176/earth.2022.10.
Jobbins, M.; Rücklin, M.; Ferrón, H. G.; Klug, C. A new selenosteid placoderm from the Late Devonian of the eastern Anti-Atlas (Morocco) with preserved body outline and its ecomorphology. Frontiers in Ecology and Evolution. 2022, 10. 969158. doi:10.3389/fevo.2022.969158.
Schnetz, L.; Butler, R. J.; Coates, M. I.; Sansom, I. J. Skeletal and soft tissue completeness of the acanthodian fossil record. Palaeontology. 2022, 65 (4): e12616. doi:10.1111/pala.12616.
Ferrón, H. G.; Ballell, A.; Botella, H.; Martínez-Pérez, C. Biomechanics of Machaeracanthus pectoral fin spines provide evidence for distinctive spine function and lifestyle among early chondrichthyans. Journal of Vertebrate Paleontology. 2022, 41 (6): e2090260. doi:10.1080/02724634.2021.2090260.
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