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Fossil specimen : BGS GSM75260 – Syntype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class -

      Order -

Fossil Name Hesperorthis dynevorensis Williams
Type Status Syntype
Name History

Hesperorthis dynevorensis Williams

Registration No. GSM75260
Collector Name not available
Donor or Associated Person A Williams 1947
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Old Castle, Dynevor, Llandeilo, Carmarthenshire
Grid Reference Not available
Rock Unit Llanvirn Rocks (Undifferentiated)
Biozone Not available
Geological Age

Abereiddian Stage (Ordovician Period) (460.5 – 465.5 Ma B.P.)

[Closest ICS interval: Darriwilian Age ]


Williams A Geol Mag Vol 86 No 4 1949 p.226 pl. 11 1 b

Williams A Geol Mag Vol 86 No 4 1949 p.226 pl 11 fig 2 1b

Available Images

High resolution photographs


4782 KB


5111 KB

Steroscopic photographs


5940 KB

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3D Scans

1: /BGS/GSM_75260

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