GB3D Type Fossils

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Fossil specimen : BGS GSM7601 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Anacheirurus frederici (Salter)
Type Status Lectotype
Name History

Anacheirurus frederici (Salter)

Cheirurus frederici (Salter)

Registration No. GSM7601
Collector Name not available
Donor or Associated Person D Homfray
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Tremadoc [Garth]
Grid Reference Not available
Rock Unit Tremadoc Rocks (Undifferentiated)
Biozone Not available
Geological Age

Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.)

[Closest ICS interval: Tremadocian Age ]


Bulman & Rushton 1973 Bull Geol Surv GB No 43 p.30 pl 7, fig 6

Lane 1971 Pal Soc Mon p.71

Reed Geol Mag 1896 p.119

Salter 1864 Pal Soc Mon pl 5 fig 18

Salter, 1866, Mem Geol Surv Vol 3 p.322 pl 8, fig 1

Whittard 1967, Geol Mag pl 15, fig 5

Whittard, 1976, Geol Mag p.268

Available Images

High resolution photographs


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Steroscopic photographs


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3D Scans

1: bracket /BGS/GSM_7601

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