New ornithomimosaurian material from Khok Kruat Formation, Lower Cretaceous, Thailand (free pdf)
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Ben Creisler
Mar 4, 2025, 2:31:10 PMMar 4
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Ben Creisler
A recent paper not yet mentioned:
Free pdf:
Duangsuda CHOKCHALOEMWONG, Soki HATTORI, Hirokazu YUKAWA, Masateru SHIBATA & Wilailuck NAKSRI (2024)
A new ornithomimosaurian material from the Khok Kruat Formation, Lower Cretaceous of Thailand
Memoir of the Fukui Prefectural Dinosaur Museum 23: 1–7
https://www.dinosaur.pref.fukui.jp/archive/memoir/memoir023-001.pdf
The Aptian–Albian Khok Kruat Formation is composed of sediments rich in dinosaur remains occur in Nakhon Ratchasima, Thailand. Here, we report a distal part of right metatarsal III of an ornithomimosaur (NRRU-F01020052) found at the Ban Krok Duean Ha dinosaur locality in 2017. Notable characteristics of this specimen are the subtle mediolateral expansion, the almost triangular cross-section with an extremely narrow posterior plane in distal diaphysis, and the concave posterior surface neighboring to the distal condyle. The combination of these characters indicates that NRRU-F01020052 is attributable to an ornithomimosaur with an incomplete arctometatarsalian pes. This discovery indicates that Thailand had a great diversity of ornithomimosaurs in the early to late Early Cretaceous, corresponds to the Asian ornithomimosaurian diversity.
Duangsuda CHOKCHALOEMWONG, Soki HATTORI, Hirokazu YUKAWA, Masateru SHIBATA & Wilailuck NAKSRI (2024)
A new ornithomimosaurian material from the Khok Kruat Formation, Lower Cretaceous of Thailand
Memoir of the Fukui Prefectural Dinosaur Museum 23: 1–7
https://www.dinosaur.pref.fukui.jp/archive/memoir/memoir023-001.pdf
The Aptian–Albian Khok Kruat Formation is composed of sediments rich in dinosaur remains occur in Nakhon Ratchasima, Thailand. Here, we report a distal part of right metatarsal III of an ornithomimosaur (NRRU-F01020052) found at the Ban Krok Duean Ha dinosaur locality in 2017. Notable characteristics of this specimen are the subtle mediolateral expansion, the almost triangular cross-section with an extremely narrow posterior plane in distal diaphysis, and the concave posterior surface neighboring to the distal condyle. The combination of these characters indicates that NRRU-F01020052 is attributable to an ornithomimosaur with an incomplete arctometatarsalian pes. This discovery indicates that Thailand had a great diversity of ornithomimosaurs in the early to late Early Cretaceous, corresponds to the Asian ornithomimosaurian diversity.
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