Bed 120c, Golden Cap (Jurassic of the United Kingdom)

Where: Dorset, United Kingdom (50.7° N, 2.8° W: paleocoordinates 37.9° N, 6.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Belemnite Marls Formation, Ibex (189.6 - 183.0 Ma)

• Valdani subzone, actaeon horizon, ("Acanthopleuroceras actaeon zone" of Lang et al.). "Belemnite bed" sensu stricto of former authors.

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, black, gray marl

• Greyish-black, friable marl, crowded with belemnites.

Size class: macrofossils

Reposited in the BMNH

Primary reference: W. D. Lang, L. F. Spath, L. R. Cox and H. M. Muir-Wood. 1928. The Belemnite marls of Charmouth, a series in the Lias of the Dorset Coast. Quarterly Journal of the Geological Society 84:179-257 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159156: authorized by Matthew Clapham, entered by Matthew Clapham on 28.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Belemnitida - Passaloteuthididae
Passaloteuthis dayi n. sp. Lang 1928 belemnite
Passaloteuthis apicicurvata Blainville 1827 belemnite
Passaloteuthis cf. apicicurvata Blainville 1827 belemnite
Passaloteuthis seatownensis Lang 1928 belemnite
 Belemnitida - Hastitidae
Hastites cf. stonebarroensis Lang 1928 belemnite
 Ammonitida - Lytoceratidae
Lytoceras sp. Suess 1865 ammonite
Lytoceras fimbriatum Sowerby 1817 ammonite
 Ammonitida - Polymorphitidae
"Acanthopleuroceras aff. calliplocoides" = Tropidoceras calliplocoides
"Acanthopleuroceras aff. calliplocoides" = Tropidoceras calliplocoides Spath 1923 ammonite