taxonID	type	description	language	source
C9253B7D6649FFD907C8F93CFE5FFD30.taxon	etymology	Etymology: Te species epithet refers to the concept of Leviathan, based in pre-biblical Middle Eastern mythology, in particular a sea monster named Lotan that was defeated by the god Baal. Over time, the term has become more broadly used to refer to any gigantic, powerful entity or large sea monster. Holotype: HNSMWS- 2018.1, a nearly complete carapace, including nuchal, neurals 1 – 8, suprapygal 1, pygal, costals 1 – 8, an isolated section of left peripherals 8 – 10, an isolated partial left portion of the anterior plastron with likely partial epiplastron and hyoplastron, partial right? pubis. Type locality and horizon: North shore of South Sulphur River, Hunt County, Texas; Neylandville Formation; lower Navarro Group. Exact locality data is on file with Heard Natural Science Museum and Wildlife Sanctuary (HNSMWS) in McKinney, Texas.	en	Smith, Heather F., Adrian, Brent, Kline, Patrick (2025): A novel marine turtle (Pan-Chelonioidea: Ctenochelyidae) from the Maastrichtian Neylandville Marl Formation of north central Texas, U. S. A. Swiss Journal of Palaeontology (23) 144 (1): 1-17, DOI: 10.1186/s13358-025-00363-8, URL: https://doi.org/10.1186/s13358-025-00363-8
C9253B7D6649FFD907C8F93CFE5FFD30.taxon	diagnosis	Diagnosis Asmodochelys leviathan sp. nov. is a large-bodied Cretaceous pan-chelonioid that can be diagnosed as a member of Ctenochelyidae based on a prominent single neural keel, the presence of epineural ossifications, and a cordiform carapace (Baird, 1964; Gentry, 2017, 2018; Gentry et al., 2018, 2019). It can be referred to Asmodochelys based on its thick shell and deep nuchal embayment; lack of nuchal fontanelles (unlike other ctenochelyids; Baird, 1964); horn-like protuberances from the anterodorsal margins of the first peripherals; first epineural positioned at N 1 / 2; relatively short, narrow, and minimally scalloped posterior peripherals (Gentry et al., 2019).	en	Smith, Heather F., Adrian, Brent, Kline, Patrick (2025): A novel marine turtle (Pan-Chelonioidea: Ctenochelyidae) from the Maastrichtian Neylandville Marl Formation of north central Texas, U. S. A. Swiss Journal of Palaeontology (23) 144 (1): 1-17, DOI: 10.1186/s13358-025-00363-8, URL: https://doi.org/10.1186/s13358-025-00363-8
