Fossil specimen : SM A 20335 – Undifferentiated Type
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order - |
|---|---|
| Fossil Name | Cystograptus penna (Hopkinson) |
| Type Status | Undifferentiated Type |
| Name History | Cystograptus penna (Hopkinson) Diplograptus (Orthograptus) vesiculosus var. penna Hopkinson: Undifferentiated Type Diplograptus penna Hopkinson Diplograpsus penna Hopkinson: Undifferentiated Type |
| Registration No. | A 20335 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Hopkinson, John (1844-1919) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments | part and counterpart : (parts a-b) |
| Country | Scotland |
|---|---|
| Locality | Frenchland Burn, Moffat, Dumfriesshire, Scotland |
| Grid Reference | Not available |
| Rock Unit | Lower Birkhill Shale |
|---|---|
| Biozone | Not available |
| Geological Age |
Llandovery Epoch (Silurian Period) (433.4 – 443.8 Ma B.P.) |
| References | Elles & Wood 1907. A monograph of British Graptolites Palaeontographical Society Monographs (4): p.231 pl. xxviii fig.9 a Hopkinson 1869. Journal of the Quekett Microscopical Club vol. i (1): p.159 pl. vii figs.12 a-c Hopkinson 1872. Geological Magazine vol. ix (2): p.505 pl. xii figs. 6 a-c Jones & Rickards, R.B. 1967. Palaontologische Zeitschrift vol. xli (5): p.173 text-fig. 4 c |
|---|
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