GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : OUM J.04098 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Perisphinctes (Pseudarisphinctes) pachachii Arkell, 1935
Type Status Holotype
Name History

Perisphinctes (Pseudarisphinctes) pachachii Arkell, 1935 – See Arkell (1939): Holotype

Perisphinctes (?Biplices) pachachii Arkell, 1935 – See Arkell (1935): Holotype

Registration No. J.04098
Collector Name not available
Donor or Associated Person Arkell, W.J., ex Pachachi, N.
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Country England
Locality Near Osmington, Dorset
Grid Reference Available from host institution
Rock Unit Clavellata Formation, Red Beds
Biozone Not available
Geological Age

Oxfordian Age (Jurassic Period) (155.6 – 161.2 Ma B.P.)


ARKELL, W.J. 1935. A Monograph on the ammonites of the English Corallian Beds, part I. Palaeontogr. Soc. (Monogr.), 1-30, pls A, B, I-VI. pp. 26, 27; pl. II, figs 2 a, b, text-fig. 9

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. lxiii

Available Images

High resolution photographs


3168 KB


2257 KB


1798 KB


3097 KB

Steroscopic photographs


4548 KB

View these images in your web browser using our JPEG2000 viewer. Zoom in and out and pan around in high resolution. Requires JavaScript to be enabled.

Download these images as high resolution JPEG2000 files. You may need to use image-editing software to view these files.

click image or here to close