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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Cobbing, E.J., Manning, P.I. & Griffith, A.E. | 1965 | Ordovician-Dalradian unconformity in Tyrone | Journal | Nature | Details... |
| Cripps, A.P. | 1988 | A new species of stem-group chordate from the Upper Ordovician of Northern Ireland | Journal | Palaeont. | Details... |
| Harper, J.C. | 1948 | The Ordovician and Silurian rocks of Ireland | Journal | Proc. Liverpool Geol. Soc. | Details... |
| Hartley, J.J. | 1937 | A recently-discovered Ordovician inlier in County Down, with note on a new species of Pyritonema | Journal | Ir. Nat. J. | Details... |
| Hutton, D.H.W., Aftalion, M. and Halliday, A.N. | 1985 | An Ordivician ophiolite in county Tyrone | Journal | Nature | Details... |
| Mitchell, W.I. | 1977 | The Ordovician Brachiopoda from Pomeroy, Co. Tyrone | Book | | Details... |
| Reed, F.R.C. | 1921 | A monograph of the British Ordovician and Silurian Bellerphonetacea | Book | | Details... |
| Reed, F.R.C. | 1952 | Revision of certain Ordovician fossils from county Tyrone | Journal | Proc. Roy. Ir. Acad. | Details... |
| Seymour, H.J. | 1898 | Review: 'The fauna of the Ordovician beds near Tramore' by F.R. Cowper Reed | Journal | Ir. Nat. | Details... |
| Sharpe, E.N. | 1970 | An occurrence of pillow lavas in the Ordovician of County Down | Journal | Ir. Nat. J. | Details... |
| Skevington, D. & Archer, J.B. | 1971 | A review of the Ordovician graptolite faunas of the west of Ireland | Journal | Ir. Nat. J. | Details... |
| Tripp, R.P. | 1957 | The trilobite Encrinurus multisegmentatus (Portlock) and allied Middle and Upper Ordovician species | Journal | Palaeont. | Details... |
| Tunnicliff, S.P. | 1978 | Types of the Ordovician trilobites Celtencrinurus multisegmentatus (Portlock) and Cryptolithus latus (Portlock) | Journal | Palaeont. | Details... |
| Tunnicliff, S.P. | 1982 | A revision of late Ordovician bivalves from Pomeroy, Co. Tyrone, Ireland | Journal | Palaeont. | Details... |
14 references found.