Fossil specimen : BGS GSM37939 – Syntype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Ammonitida |
|---|---|
| Fossil Name | Gastrioceras? sigma Wright |
| Type Status | Syntype |
| Name History | Gastrioceras? sigma Wright |
| Registration No. | GSM37939 |
|---|---|
| Collector | survey 1924 |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments | Formerly SH 3091.R2 Reticuloceras reticulatum superbilingue,G sigma bed 3'-10' above the y bed |
| Country | England |
|---|---|
| Locality | NE of Higher Hempshaws,W of Belmont Lancashire |
| Grid Reference | Not available |
| Rock Unit | Millstone Grit Group |
|---|---|
| Biozone | Not available |
| Geological Age |
Namurian Stage (Carboniferous Period) (319 – 329 Ma B.P.) [Closest ICS interval: Bashkirian Age – Serpukhovian Age ] |
| References | Wright 1926 Summer Prog for 1925 p.197-198 Wright 1927 Geology of Rossendale Mem Geol Surv p.116 |
|---|
Available Images
High resolution photographs
/BGS/P818497.JP2
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/BGS/P818498.JP2
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/BGS/P818552.JP2
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/BGS/P818561.JP2
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Steroscopic photographs
/BGS/P819291.JP2
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/BGS/P819294.JP2
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