GB3D Type Fossils

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Fossil specimen : BGS GSd3154 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Lygdozoon weaveri (Salter)
Type Status Holotype
Name History

Lygdozoon weaveri (Salter)

Phacops weaveri Salter

Dalmanites weaveri (Salter)

Registration No. GSd3154
Collector Weaver, T
Donor or Associated Person Geological Society 1911
Held By British Geological Survey Logo British Geological Survey
Comments Geol. Soc. No. p43
Country England
Locality Long's Quarry, Tortworth, Gloucestershire.
Grid Reference Not available
Rock Unit Llandovery Rocks (Undifferentiated)
Biozone Not available
Geological Age

Llandovery Epoch (Silurian Period) (433.4 – 443.8 Ma B.P.)


Curtis & Lane 1998 Mon Pal Soc 152 2 p.70 Pl. 8, fig. 11

Curtis 1958 Palaeontology 1 2 p.143-145 Pl. 29, fig. 9

Salter 1849 Mem Geol Survey As P weaveri; see W H Bailey's original drawing p.7 Pl. 1, fig. 16

Salter 1854 Siluria (1st edition) as T annulatus Pl. 1, fig. 2

Salter 1859 Siluria (3rd edition) as T anglicus Pl. 10, fig. 3

See Blake & Sherborn 1902 List of types & figd specs in Geol Soc Coll p.10

Sowerby in Murchison 1839 Silurian Syst as T scalaris Pl. 19, fig. 15

Whittard 1938 Ann Mag Nat Hist Ser 11 1 p.132-133

Available Images

High resolution photographs


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Steroscopic photographs


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