Where: England, United Kingdom (54.2° N, 0.3° W: paleocoordinates 44.7° N, 9.8° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Speetoniceras inversum ammonoid zone, Speeton Clay Formation, Late/Upper Hauterivian (136.4 - 130.0 Ma)
• inversum Zone
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; unlithified, bioturbated claystone
Size class: macrofossils
Preservation: original phosphate
Collected by C.J. Underwood, D. Ward
Collection methods: bulk, mechanical, sieve,
• focus on fish remains; Bulk samples of clay, 30–70 kg in dry weight, were sieved for fish material using a 125 mm or 250 mm mesh. The residues were picked for fish remains at size fractions down to 355 mm where possible, but coarse glauconite in some samples meant that picking size fractions below 500 mm was impractical. All specimens cited here are deposited in Liverpool Museum, National Museums and Galleries on Merseyside (LIVCM).
Primary reference: C. J. Underwood, S. F. Michell, and K. J. Veltkamp. 1999. Shark and Ray teeth from the Hauterivian (Lower Cretaceous) of north-east England. Palaeontology 42(2):287-302 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 66420: authorized by Martin Aberhan, entered by Sabine Nürnberg on 09.10.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
"Dasyatis" speetonensis n. sp.
"Dasyatis" speetonensis n. sp. Underwood et al. 1999 whiptail stingray | |
| |
Synechodus dubrisiensis Mackie 1863 elasmobranch more than 200 teeth from 5 beds (most from bed C7H)
| |
Spathobatis rugosus n. sp.
Spathobatis rugosus n. sp. Underwood et al. 1999 guitarfish | |
? Triakidae indet. Gray 1851 hound shark | |
| |
Notidanodon lanceolatus Woodward 1886 cow shark |