GB3D Type Fossils

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Fossil specimen : OUM K.00675a, b – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Anisoceras armatum (J. Sowerby, 1817)
Type Status Holotype
Name History

Anisoceras armatum (J. Sowerby, 1817) – See Powell (2005): Holotype

Anisoceras armatum (J. Sowerby, 1817) – See Wright & Kennedy (1995): Holotype

Anisoceras armatum (J. Sowerby, 1817) – See Spath (1939): Holotype

Hamites armatus J. Sowerby, 1817 – See J. Sowerby (1817): Holotype

Registration No. K.00675a, b
Collector Name not available
Donor or Associated Person Old OUM Collection; Buckland, W.
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Comments Part & counterpart
Country England
Locality Roke, near Benson, Oxfordshire
Grid Reference Available from host institution
Rock Unit Upper Greensand Formation, Malmstone
Biozone Stoliczkaia dispar
Geological Age

Albian Age (Cretaceous Period) (100.5 – 113 Ma B.P.)


POWELL, P. 2005. The Geology of Oxfordshire, Dovecote Press, Wimborne, 108 pp. (K.675a) p. 61

SOWERBY, J. 1817. The mineral conchology of Great Britain. Volume II (29). Printed by B. Meredith, London, pp. 141-154, pls CLXIII-CLXVIII. p. 153; pl. CLXVIII

SPATH, L.F. 1939. A monograph of the Ammonoidea of the Gault. Volume II, part 13. Palaeontogr. Soc. (Monogr.), 541-608, pls LIX-LXIV. pp. 543, 546; text-fig. 191

WRIGHT, C.W. and KENNEDY, W.J. 1995. The Ammonoidea of the Lower Chalk. Part 4. Palaeontogr. Soc. (Monogr.), 149 (599), 295-319, pls 87-94. p. 302; text-fig. 130 L

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