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by ScarboroughMuseumsTrust in cultural-heritage-history
Holotype Described (but not figured) by Simpson (1843, p. 80; 1855, p. 80; 1884, p. 116) as Ammonites leptophyllus. Figured by Howarth (1962, p. 121, pl. 18, figs 5a-b) as Pseudolioceras leptophyllum (Simpson). Ravenscar, North Yorkshire. Colour laser scan. Faro laser arm. SCARB:2004.1456