Fossil specimen : SM J 3303 – Undifferentiated Type
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Ammonitida |
|---|---|
| Fossil Name | Perisphinctes (Alligaticeras) alligatus (Bean ms. Leckenby) |
| Type Status | Undifferentiated Type |
| Name History | Perisphinctes (Alligaticeras) alligatus (Bean ms. Leckenby) – See Arkell, W.J. (1936b) Alligaticeras alligatum (Bean-Leckenby) – See Buckman, S.S. (1911): Undifferentiated Type Alligaticeras alligatum (Bean-Leckenby) – See Buckman, S.S. (1923) Dichotomoceras alligatum (Bean-Leckenby) – See Buckman, S.S. (1921): Holotype Perisphinctes alligatus (Bean-Leckenby) – See Buckman (1913) Ammonites alligatus Leckenby (Bean ms.) – See Leckenby (1859): Holotype |
| Registration No. | J 3303 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Leckenby, John (1814-1877) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | England |
|---|---|
| Locality | Castle Rock, Scarborough, Yorkshire, England |
| Grid Reference | Not available |
| Rock Unit | Middle Oxford Clay |
|---|---|
| Biozone | vertumnus |
| Geological Age |
Callovian Age (Jurassic Period) (163.5 – 166.1 Ma B.P.) |
| References | Arkell, W.J. 1936 b. A monograph on the ammonites of the English corallian beds p. xlii pl. c, figs.4 a-c Buchman's figs. reproduced Arkell, W.J. 1939 c. Quarterly Journal of the Geological Society of London vol. xcv (error for vol. xvc ??) p.180 Buckman 1913. Quarterly Journal of the Geological Society of London vol. lxix p.153 Buckman, S.S. 1911 - 1925. Yorkshire type ammonites vol. vii pp.6 Buckman, S.S. 1921. Yorkshire type ammonites pl. ccxii figs.1-4 Buckman, S.S. 1923. Yorkshire type ammonites vol. iv p.57 Leckenby 1859. Quarterly Journal of the Geological Society of London vol. xv p.9 pl. ii figs.2 a-b Woods, H. 1891. Catalogue of the Type Fossils in the Woodwardian Museum, Cambridge. Henry Woods with preface by T. McKenny Hughes CUP. 180+xiv SPL: II. 16 p.121 |
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