GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : SM A 45457 – Syntype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Lingulata

      Order Acrotretida

Fossil Name Helmersenia micula (McCoy), 1851
Type Status Syntype
Name History

Helmersenia micula (McCoy), 1851

Siphonotretra micula McCoy

Siphonotreta micula McCoy

Siphonotreta micula McCoy

Siphonotretra micula McCoy: Syntype

Siphonotreta micula McCoy

Siphonotreta micula McCoy

Registration No. A 45457
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
Comments part and counterpart : (parts a-b)
Country Wales
Locality Pen Cerrig, Builth, Radnorshire, Wales
Grid Reference Not available
Rock Unit Llandeilo Bed
Biozone gracilis (low)
Geological Age

Ashgill Series (Ordovician Period) – Caradoc Series (Ordovician Period) (443.8 – 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 (7): pp.29,176

Davidson 1866. British fossil Brachiopoda Palaeontographical Society Monographs vol. iii part vii (4): p.76 pl. viii figs.2, 2 a

McCoy 1851 c. Annals and Magazine of Natural History ser. (2) vol. viii (1): P.389

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 (3): pp.188, 369, probably utilised in drawing pl. i h fig.3, 3 a

McCoy 1854 a. Contributions to British Palaeontology (2): p.211

Salter 1873. Catalogue of the Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge (5): p.35 a.102

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 (6): p.61

Available Images

High resolution photographs


3920 KB

View these images in your web browser using our JPEG2000 viewer. Zoom in and out and pan around in high resolution. Requires JavaScript to be enabled.

Download these images as high resolution JPEG2000 files. You may need to use image-editing software to view these files.

click image or here to close