GB3D Type Fossils

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Fossil specimen : OUM J.01293 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Kosmoceras gemmatum (Phillips, 1829)
Type Status Holotype
Name History

Kosmoceras gemmatum (Phillips, 1829) – See Arkell (1939)

Ammonites gemmatus Phillips, 1829 – See Phillips (1829): Holotype

Registration No. J.01293
Collector Name not available
Donor or Associated Person ? Phillips, J.
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Comments Arkell,1939, states that holotype is lost & selects Sedgwick Museum J.4822 as neotype
Country England
Locality Hackness, North Yorkshire
Grid Reference Available from host institution
Rock Unit Hackness Rock
Biozone Peltoceras athleta – Quenstedtoceras lamberti
Geological Age

Callovian Age (Jurassic Period) (163.5 – 166.1 Ma B.P.)


ARKELL, W.J. 1939. The Ammonite succession at the Woodham Brick Company's Pit, Akeman Street Station, Buckinghamshire, and its bearing on the classification of the Oxford Clay. Q. Jl geol. Soc. Lond., XCV (2), 135-222, pls VIII-XI. p. 189

PHILLIPS, J. 1829. Illustrations of the Geology of Yorkshire; or, a description of the Strata of the Yorkshire Coast, part 1. Thomas Wilson and Sons, York. xvi + 192 pp., 14 pls. ? pp. 141, 189; ? pl. VI, fig. 17

Available Images

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