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Serraraptoria clade

Started by VD231991, August 16, 2024, 01:24:29 AM

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VD231991

August 16, 2024, 01:24:29 AM
In their paper describing a juvenile specimen of Microraptor, Wang and Pei (2024) erect the clade name Serraptoria to include dromaeosaurids more derived than members of Halszkaraptorinae or Unenlagiidae. Although the cladistic analysis of Hypnovenator by Kubota et al. (2024) finds halszkaraptorines to be the basalmost troodontids, the paper by Brum et al. (2021) finds this clade and unenlagiines to form a united basal dromaeosaurid clade, so ISMD-VP09 would the oldest non-serraraptorian dromaeosaurid given that it is recovered as a member of Halszkaraptorinae by Kubota et al. (2024).

Brum, A.S., Pêgas, R.V., Bandeira, K.L.N., Souza, L.G., Campos, D.A., and Kellner, A.W.A., 2021. A new Unenlagiinae (Theropoda: Dromaeosauridae) from the Late Cretaceous of Brazil. Papers in Palaeontology. 7 (4): 2075–2099. doi:10.1002/spp2.1375.

Kubota, K., Kobayashi, Y., and Ikeda, T., 2024. Early Cretaceous troodontine troodontid (Dinosauria: Theropoda) from the Ohyamashimo Formation of Japan reveals the early evolution of Troodontinae. Scientific Reports 14. 16392. doi:10.1038/s41598-024-66815-2.

Wang, R., and Pei, R., 2024. The smallest known specimen of Microraptor (Dinosauria: Dromaeosauridae) from the Jiufotang Formation in northeastern China. Historical Biology: An International Journal of Paleobiology: 1–11. doi:10.1080/08912963.2024.2385604.
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