GB3D Type Fossils

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Pseudosphaerexochus octolobatus (McCoy), 1849

Pseudosphaerexochus octolobatus (McCoy), 1849: Holotype

Cheirurus (Actinopeltis) octolobatus (McCoy)

Cheirurus octolobatus (McCoy)

Ceraurus actolobatus McCoy: Holotype

Ceraurus octo-lobatus McCoy

Ashgill Series (Ordovician Period) – Caradoc Series (Ordovician Period) (443.8 – 458.4 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]

Dean 1962 a. Bulletin of the British Museum (Natural History). Geology vol. 7 (5): p.88

McCoy 1849 b. Annals and Magazine of Natural History ser. 2 vol. iv (1): p.407

McCoy 1851 a. A synopsis of the classification of the British Palaeozoic rocks with a systematic description of the British Palaeozoic fossils (2): p.154 pl. ig figs.10, 10 a

McCoy 1854 a. Contributions to British Palaeontology (1): p.146

Salter 1873. Catalogue of the Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge (3): p.51

Whittington, H.B. 1965 for 1964. A monograph of the Ordovician Trilobites of the Bala area, Merioneth Palaeontographical Society Monographs (6): p.37 pl. x fig.17

Woods, H. 1891. Catalogue of the Type Fossils in the Woodwardian Museum, Cambridge. Henry Woods with preface by T. McKenny Hughes CUP. 180+xiv SPL: II. 16 (4): p.142