Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
---|---|
Fossil Name | Cheirurus (Pseudosphaerexochus) subquadratus Reed |
Type Status | Paratype |
Name History | Cheirurus (Pseudosphaerexochus) subquadratus Reed: Paratype Sphaerexochus calvus McCoy |
Registration No. | A 11873 - A 11874 |
---|---|
Collector | Name not available |
Donor or Associated Person | Nicholson, Henry Alleyne (1844-1899) |
Held By | Sedgwick Museum of Earth Sciences, University of Cambridge |
Comments |
Country | England |
---|---|
Locality | Keisley, Westmorland, England |
Grid Reference | Not available |
Rock Unit | Keisley Limestone |
---|---|
Biozone | Not available |
Geological Age |
Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
References | Nicholson, H.A. & Marr, J.E. 1891. The Cross Fell Inlier (with appendices by Alfred Harker and A.H. Foord) Quarterly Journal of the Geological Society of London volume 47 pages 500-529 (1): p.507 Reed, F.R.C. 1896. Quarterly Journal of the Geological Society of London vol. lii (2): p.421 |
---|
View these images in your web browser using our JPEG2000 viewer. Zoom in and out and pan around in high resolution. Requires JavaScript to be enabled.
Download these images as high resolution JPEG2000 files. You may need to use image-editing software to view these files.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. |