Simpson 1855, p. 86
Simpson 1884, p. 123
Buckman 1909, pl. 9
Howarth 1962, p. 120
Howarth 1992, p. 109, pl. 16, figs. 1a, b.
Reproduced with permission of the Palaeontographical Society
Reproduced with permission of the Palaeontographical Society
Harpoceratoides alternatus (Simpson)
| GROUP : | Lower Jurassic Ammonite Species |
| STATUS : | Holotype |
| NUMBER : | WHITM:SIM338 |
| HORIZON : | Upper Lias, Jurassic. |
| LOCALITY : | Hawsker Bottoms, North Yorkshire |
| REFERENCES : | Simpson 1843, p. 43 Simpson 1855, p. 86 Simpson 1884, p. 123 Buckman 1909, pl. 9 Howarth 1962, p. 120 Howarth 1992, p. 109, pl. 16, figs. 1a, b. Reproduced with permission of the Palaeontographical Society Reproduced with permission of the Palaeontographical Society |
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