GB3D Type Fossils

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Fossil specimen : SM A 29952 – Paratype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Lichida

Fossil Name Primaspis semievoluta (Reed)
Type Status Paratype
Name History

Primaspis semievoluta (Reed): Paratype

Acidaspis semievoluta Reed: Syntype

Provenance
Registration No. A 29952
Collector Name not available
Donor or Associated Person Turnbull, V.M.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Comments
Location
Country England
Locality Alston (road cutting), Melmerby, Cumberland, England
Grid Reference Not available
Stratigraphy
Rock Unit Lower Melmerby Bed (matrix)
Biozone Not available
Geological Age

Cheneyan Stage (Ordovician Period) (453 – 455 Ma B.P.)

[Closest ICS interval: Katian Age ]

References
References

Dean 1962 a. Bulletin of the British Museum (Natural History). Geology vol. 7 (2): p.122 pl.17 fig.10

Reed, F.R.C. 1910 a. Geological Magazine n.s. dec. v, vol vii (1): pp.211, 214 pl. xvii fig.2

Available Images

High resolution photographs

/CAMSM/P869095.jp2

4056 KB

/CAMSM/P869097.jp2

1987 KB

Steroscopic photographs

/CAMSM/P871113.jp2

4631 KB


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