GB3D Type Fossils

Fossil specimen : OUM J.01194 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Asteroceras obtusum (J. Sowerby, 1817)
Type Status Lectotype
Name History

Asteroceras obtusum (J. Sowerby, 1817) – See Powell & Edmonds (1978): Lectotype

Asteroceras obtusum (J. Sowerby, 1817) – See Spath (1925): Lectotype

Ammonites obtusus J. Sowerby, 1817 – See J. Sowerby (1817): Syntype

Registration No. J.01194
Collector Name not available
Donor or Associated Person Philpot, E. 1880
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Country England
Locality Lyme Regis, Dorset
Grid Reference Available from host institution
Rock Unit Blue Lias Formation
Biozone Not available
Geological Age

Sinemurian Age (Jurassic Period) – Rhaetian Age (Triassic Period) (190.8 – 209.5 Ma B.P.)


POWELL, H.P. and EDMONDS, J.M. 1978. List of Type-fossils in the Philpot Collection, Oxford University Museum. Proc. Dorset nat. Hist. and Archaeol. Soc., 98 (for 1976), 48-53. p. 49

SOWERBY, J. 1817. The mineral conchology of Great Britain. Volume II (29). Printed by B. Meredith, London, pp. 141-154, pls CLXIII-CLXVIII. p. 151; pl. CLXVII (upper figure)

SPATH, L.F. 1925. Notes on Yorkshire Ammonites, VI. Naturalist, Lond., 299-306. p. 300

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