- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States
Monograptus hipposideros sp. nov., a new lower Llandovery monograptid, is described from Coal Pit bay, Northern Ireland. With distinct 'horseshoe' curvature and simple thecal shape it is similar to, and is compared with Monograptus cyphus s.l. Lapworth, M. gregarius Lapworth and M. leei Hsue.