GB3D Type Fossils

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Fossil specimen : SM A 16539 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Acastella spinosa (Salter)
Type Status Holotype
Name History

Acastella spinosa (Salter)

Phacops (Acastella) macrocentrus Reed: Holotype

Registration No. A 16539
Collector Name not available
Donor or Associated Person Gardiner, Charles Irving (1868-1940)
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Woolhope Inlier, Prior's Frome, Herefordshire, England
Grid Reference Not available
Rock Unit Upper Ludlow
Biozone Not available
Geological Age

Ludlow Epoch (Silurian Period) (423.6 – 427.4 Ma B.P.)


Reed, F.R.C. 1925 b. Geological Magazine vol. lxii (1): p.73 pl. ii figs.4, 4 a

Shergold 1967. Palaeontology vol. x (2): pp.176, 180 pl.25 figs.7-8

Available Images

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