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Fossil specimen : BGS GSM35586 – Lectotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Corynexochida

Fossil Name Illaenus (Parillaenus) davisi Salter
Type Status Lectotype
Name History

Illaenus (Parillaenus) davisi Salter

Illaenus davisi Salter

Provenance
Registration No. GSM35586
Collector n/k
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments Sample also consists of a quantity of matrix.
Location
Country Wales
Locality Rhiwlas, Bala, Merionethshire
Grid Reference Not available
Stratigraphy
Rock Unit Rhiwlas Limestone Member
Biozone Phillipsinella parabola
Geological Age

Ashgill Series (Ordovician Period) (443.7 – 451 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]

References
References

Geol. Surv. Decades II pl.II,fig.1

Pal. Soc. 1864 pl. XXIX,fig. 11-13

Pal.Soc. 1854 pl.XXIX,fig. 11-13

Whittington,1965,Pal. Soc. Mon., "Ord. Tril.Bala",pt. III pl.XXI, fig. 1-3

Available Images

High resolution photographs

/BGS/P813063.JP2

3621 KB

Steroscopic photographs

/BGS/P813934.JP2

4476 KB


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3D Scans

1: bracket /BGS/GSM_35586

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