QIANSHANOSUCHUS YOUNGI S P. NOV. Z o o b a n k r e g i s t r a t i o n: u r n: l s i d: z o o b a n k. org:act: 018A0422-637B-413C-81CF-D86213843B7D Etymology: ‘ youngi ’ in honour of Dr Chung-Chien Young (official name Zhongjian Yang) for his contribution to the knowledge of Chinese fossil crocodylians. Holotype: IBCAS QS15, incompletely preserved skull and left posterior part of lower jaw (Figs 2–6). Type-locality and horizon: Xialou, Qianshan County, Anhui Province: lower part of the Upper Member of the Wanghudun Formation, Shanghuan Asian Land Mammal Age (Wang et al., 2016a), late Danian, early Palaeocene (Wang et al., 2019). Diagnosis: Basal crocodyloid differing from other crocodyloids by the following unique combination of characters: large size of the maxillary foramen for cranial nerve V; parietal–squamosal suture on skull table elevated on a ridge; acute indentation on the sagittal axis of the supraoccipital and parietal; dorsal margins of orbits upturned; supraoccipital largely exposed on skull table; anteroposterior prominent ridge on the lateral surface of the surangular. DESCRIPTION

Published as part of Boerman, Sophie A., Perrichon, Gwendal, Yang, Jian, Li, Cheng-Sen, Martin, Jeremy E., Speijer, Robert P. & Smith, Thierry, 2023, A juvenile skull from the early Palaeocene of China extends the appearance of crocodyloids in Asia back by 15 - 20 million years, pp. 787-811 in Zoological Journal of the Linnean Society 197 on page 791, DOI: 10.1093/zoolinnean/zlac067, http://zenodo.org/record/7696034