Subject ASC0000h6b
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
v. 2 (1829), Page 232 (1829)
Natural History Museum Library, London
BHL Page 2308830
Keywords
trilobite orthoceratite trilobites specimen fossil orthoceras annularis rings striata lines longitudinal waved lines varieties elevated rings orthocerates water Barr limestone Warwickshire Orthoceratites Dudley stratum Orthoceras annularis and striata trilobite geology geology extinct nautiloid cephalopod limestone