GB3D Type Fossils

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Fossil specimen : SM A 16361 – Undifferentiated Type

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Trinucleus (Cryptolithus) elongatus var. arcuatus Smith B.
Type Status Undifferentiated Type
Name History

Trinucleus (Cryptolithus) elongatus var. arcuatus Smith B.: Undifferentiated Type

Trinucleus concentricus var. arcuatus Smith: Syntype

Registration No. A 16361
Collector Name not available
Donor or Associated Person Pomeroy Expedition
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country Northern Ireland
Locality Little River, Tirnaskea, Pomeroy, County Tyrone, Northern Ireland
Grid Reference Not available
Rock Unit Desertcreat Group
Biozone Not available
Geological Age

Cautleyan Stage (Ordovician Period) – Pusgillian Stage (Ordovician Period) (447 – 449 Ma B.P.)

[Closest ICS interval: Katian Age ]


Reed, F.R.C. 1952. Proceedings of the Royal Irish Academy vol. lv b no. 3 (2): p.97

Smith 1907. Proceedings of the Royal Irish Academy vol. xxiv b in Fearnsides, Elles and Smith (1): pp.119, 122 pl. viii fig.5

Available Images

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