Bed 105, Apoderoceras Limestone, Charmouth (Jurassic of the United Kingdom)

Where: Dorset, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.9° N, 6.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• "zone of Apoderoceras leckenbyi" of Lang et al. Formerly Armatus Limestone.

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, argillaceous lime mudstone

• Pale marly limestone

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 159863: authorized by Matthew Clapham, entered by Matthew Clapham on 09.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Belemnitida - Passaloteuthididae
Passaloteuthis cf. ima Lang 1928 belemnite
 Ammonitida - Coeloceratidae
 Ammonitida - Eoderoceratidae
? Metaderoceras sp. Spath 1925 ammonite
 Ammonitida - Phricodoceratidae
Phricodoceras spp. Hyatt 1900 ammonite
Phricodoceras taylori Sowerby 1826 ammonite
 Nautilida - Cenoceratidae
Cenoceras sp. Hyatt 1884
Gastropoda
 Ptychomphaloidea - Ptychomphalidae
Ptychomphalus sp. Agassiz 1839 snail