Bed 120e, Crumbly Bed, 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

• local area-level geographic resolution

When: Belemnite Marl Member (Charmouth Mudstone Formation), Ibex (189.6 - 183.0 Ma)

• Valdani subzone, centaurus horizon, ("Beaniceras centaurus zone" of Lang et al.). Extreme top of Crumbly Bed.

• bed-level stratigraphic resolution

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

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 159143: authorized by Matthew Clapham, entered by Matthew Clapham on 28.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Inoceramidae
"Inoceramus ventricosus" = Parainoceramya ventricosa
"Inoceramus ventricosus" = Parainoceramya ventricosa Sowerby 1823 clam
Cephalopoda
 Ammonitida - Liparoceratidae
Liparoceras obtusinodum ammonite
C.23607
Liparoceras cf. obtusinodum ammonite
C.23608-609
Liparoceras cheltiense Murchison 1834 ammonite
C.23601
Liparoceras pseudostriatum Trueman 1919 ammonite
C.23605
"Beaniceras spp." = Aegoceras (Beaniceras) Buckman 1913 ammonite
C.23594-600
 Ammonitida - Lytoceratidae
Lytoceras fimbriatum Sowerby 1817 ammonite
C.23613
 Belemnitida - Passaloteuthididae
Passaloteuthis apicicurvata Blainville 1827 belemnite
C.28923, 28839
Gastropoda
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria multicincta Zieten 1832 snail
G.26312
 Trochoidea - Trochidae
Cirsostylus euomphalus Quenstedt 1856 top snail
G.26481
 Ptychomphaloidea - Ptychomphalidae
Ptychomphalus expansus Sowerby 1821 snail
G.26305