GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : SM A 4645 – Syntype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Lichida

Fossil Name Diacanthaspis sladensis (Reed), 1905
Type Status Syntype
Name History

Diacanthaspis sladensis (Reed), 1905

Acidaspis sladensis Reed: Syntype

Registration No. A 4645
Collector Name not available
Donor or Associated Person Turnbull, V.M.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country Wales
Locality St. Martin's Cemetery (roadside W.), Haverfordwest
Grid Reference Not available
Rock Unit Haverfordwest Mudstone Formation (basal)
Biozone Not available
Geological Age

Hirnantian Age (Ordovician Period) (443.8 – 445.2 Ma B.P.)


Cocks, L.R.M. & Price, D. 1975. Palaeontology vol. 18 (3): pp.710, 712 corrected horizon

Reed, F.R.C. 1905. Geological Magazine dec. v, vol ii (1): pl. iv fig.11

Reed, F.R.C. 1907. Geological Magazine dec. v vol. iv (2): p.536

Temple, J.T. 1969. Bulletin of the British Museum (Natural History). Geology vol. 18 (3): p.203 pl.1 fig.21

Whittard, W.F. 1938. Annals and Magazine of Natural History ser. (11) vol. i (2): p.111

Available Images

High resolution photographs


7377 KB


4513 KB

Steroscopic photographs


5100 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