genus Auchenaspis Egerton, 1857. Auchenaspis salteri Egerton (1857, p. 286, pl. 9, figs 4 – 5) [Subphylum: Vertebrata]. The species is known from the Ledbury Formation (Red Downton Formation) of Ledbury, Herefordshire and Ludlow, Shropshire. Přídolí, i.e. the uppermost Silurian. Graptolithina A subclass of the class Pterobranchia, the members of which are known as graptolites. Callograptus? salteri Hall. 1865 [Family: Dendrograptidae]. From the 'Arenigian' of Shropshire and Wales and occurring as far afield as China and Tasmania. See also Henry Hicks (geologist) References External links 1820 births 1869 deaths English palaeontologists Burials at Highgate Cemetery British Geological Survey