GB3D Type Fossils

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Fossil specimen : SM A 41715 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Rhynchonellata

      Order Orthida

Fossil Name Heterorthis retrorsistria (McCoy), 1851
Type Status Paratype
Name History

Heterorthis retrorsistria (McCoy), 1851

Orthis retrorsistria McCoy

Orthis retrorsistria McCoy

Orthis retrorsistria McCoy: Paratype

Orthis retrorsistria McCoy

Registration No. A 41715
Collector Name not available
Donor or Associated Person Name not available
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country Wales
Locality Pen y Gaer, Cerrig y Druidon, Holyhead Road, Denbighshire, Wales
Grid Reference Not available
Rock Unit Lower Bala Flags
Biozone Not available
Geological Age

Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]


Cocks, L.R.M. 1978. A review of British Lower Palaeozoic Brachiopods, including a synoptic revision of Davidson's monograph Palaeontographical Society Monographs (5): pp.73,215

Davidson 1893. British fossil Brachiopoda Palaeontographical Society Monographs vol. v (3): p.185 pl. xiv fig.15

McCoy 1851 c. Annals and Magazine of Natural History ser. (2) vol. viii (1): p.396

McCoy 1852 a. A synopsis of the classification of the British Palaeozoic rocks with a systematic description of the British Palaeozoic fossils Palaeontographical Society Monographs (2): pp.224, 370

McCoy 1854 a. Contributions to British Palaeontology (1): p.218

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.57

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