GB3D Type Fossils

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Fossil specimen : SM A 29779 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class -

      Order -

Fossil Name Hesperorthis equivocalis (Reed), 1910
Type Status Lectotype
Name History

Hesperorthis equivocalis (Reed), 1910: Lectotype

Orthis (Scenidium) equivocalis Reed: Syntype

Registration No. A 29779
Collector Name not available
Donor or Associated Person Turnbull, V.M.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Comments part and counterpart : (parts a-b)
Country England
Locality Alston (road cutting), Melmerby, Cumberland, England
Grid Reference Not available
Rock Unit Dufton Shale (horizon 1)
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 (2): p.46

Reed, F.R.C. 1918 b. Geological Magazine n.s. dec. v, vol vii (1): pp.212, 297 pl. xxiv figs.3, 3 a (a.29, 779a), fig.4 (a.29, 779b)

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