Fossil specimen : BGS GSM35373 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Xylabion gelasinosum (Portlock) |
| Type Status | Lectotype |
| Name History | Xylabion gelasinosum (Portlock) Cheirurus gelasinosus Portlock Cheirurus (Amphion) gelasinosus Portlock |
| Registration No. | GSM35373 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Portlock Coll |
| Held By |
 British Geological Survey
|
| Comments |
| Country | Northern Ireland |
|---|---|
| Locality | Tyrone |
| Grid Reference | Not available |
| Rock Unit | Caradoc Rocks (Undifferentiated) |
|---|---|
| Biozone | Not available |
| Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Lane 1971 Pal Soc Mon p.41 pl 2 fig 4 a & b Portlock 1843 Geol of Londonderry and parts of Tyrone and Fernanagh p.289 pl 3 fig 4a Reed 1952 Proc Roy Irish Acad 55 B No 3 p.120 Salter, 1853, Mon. Geol. Surv. Dec VII p.11 pl 2 Salter, 1864 Mon Pal Soc p.71 pl 5 fig 7 |
|---|
Available Images
High resolution photographs
/BGS/P820860.JP2
3070 KB
/BGS/P827623.JP2
3103 KB
/BGS/P827626.JP2
3304 KB
Steroscopic photographs
/BGS/P823297.JP2
3426 KB
/BGS/P827757.JP2
4798 KB
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3D Scans
1: /BGS/GSM_35373
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