Simpson 1855, p. 50
Simpson 1884, p. 81
Buckman 1911, pl. 31
Howarth 1962, p. 116.
Dactylioceras semicelatum (Simpson)
| GROUP : | Lower Jurassic Ammonite Species |
| STATUS : | Holotype |
| NUMBER : | WHITM:SIM116 |
| HORIZON : | Upper Lias, Jurassic |
| LOCALITY : | Whitby, North Yorkshire |
| REFERENCES : | Simpson 1843, p. 22 Simpson 1855, p. 50 Simpson 1884, p. 81 Buckman 1911, pl. 31 Howarth 1962, p. 116. |
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