Fossil specimen : OUM J.20843 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Ammonitida |
|---|---|
| Fossil Name | Perisphinctes (Alligaticeras) pseudograciosus Arkell, 1939 |
| Type Status | Holotype |
| Name History | Perisphinctes (Alligaticeras) pseudograciosus Arkell, 1939 – See Arkell (1939): Holotype |
| Registration No. | J.20843 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Arkell, W.J. |
| Held By |
 Oxford University Museum of Natural History
|
| Comments |
| Country | England |
|---|---|
| Locality | Woodham Brick Company Pit, Akeman Street Station, Buckinghamshire |
| Grid Reference | Available from host institution |
| Rock Unit | Weymouth Member, Arkell's Bed B |
|---|---|
| Biozone | Quenstedtoceras mariae |
| Geological Age |
Oxfordian Age (Jurassic Period) (157.3 – 163.5 Ma B.P.) |
| References | ARKELL, W.J. 1939. The Ammonite succession at the Woodham Brick Company's Pit, Akeman Street Station, Buckinghamshire, and its bearing on the classification of the Oxford Clay. Q. Jl geol. Soc. Lond., XCV (2), 135-222, pls VIII-XI. pp. 161, 219; pl. IX, fig. 12 |
|---|
Available Images
High resolution photographs
/OUMNH/P853485.jp2
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/OUMNH/P853488.jp2
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/OUMNH/P853489.jp2
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Steroscopic photographs
/OUMNH/P856314.jp2
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