Fossil specimen : BGS GSM85400 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Bryozoa Class Stenolaemata Order Cryptostomida |
|---|---|
| Fossil Name | Goniotrypa dichotoma (Portlock) |
| Type Status | Lectotype |
| Name History | Goniotrypa dichotoma (Portlock) Ptilodictya dichotoma (Portlock) |
| Registration No. | GSM85400 |
|---|---|
| Collector | Portlock |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments | Sample also includes X4 photographic prints |
| Country | Ireland |
|---|---|
| Locality | Desertcreight,Tyrone |
| Grid Reference | Not available |
| Rock Unit | Ashgill Formation |
|---|---|
| Biozone | Not available |
| Geological Age |
Hirnantian Age (Ordovician Period) – Rawtheyan Stage (Ordovician Period) (443.8 – 447 Ma B.P.) |
| References | Portlock,1843, Rept. Geol. Londonderry,pg.339 pl. XXIfig. 6a&b Spjeldnaes,1957,Geol. Mag. pg. 366 vol.XCIV pl.XII,figs.1&9 |
|---|
Available Images
High resolution photographs
/BGS/P812942.JP2
6267 KB
/BGS/P820881.JP2
4923 KB
/BGS/P827492.JP2
5140 KB
Steroscopic photographs
/BGS/P813897.JP2
7505 KB
/BGS/P823304.JP2
4924 KB
/BGS/P827740.JP2
5773 KB
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