Bed 118c, Upper Darker Marls, 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, Ibex (189.6 - 183.0 Ma)

• Masseanum subzone ("Tropidoceras masseanum zone" of Lang et al.). Middle part of Upper Darker Marls.

• bed-level stratigraphic resolution

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

• Bluish-grey 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 159180: authorized by Matthew Clapham, entered by Matthew Clapham on 29.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Terebratulida - Lobothyrididae
Lobothyris ovulum
Lobothyris ovulum Quenstedt 1858
Bivalvia
 Pectinida - Pectinoidae
Chlamys rollei
Chlamys rollei Stoliczka 1861 scallop
 Myalinida - Inoceramidae
"Inoceramus ventricosus" = Parainoceramya ventricosa
"Inoceramus ventricosus" = Parainoceramya ventricosa Sowerby 1823 clam
Cephalopoda
 Ammonitida - Polymorphitidae
Tropidoceras galatense, Tropidoceras cf. subarietiforme, Tropidoceras sp., "Tropidoceras aff. stefanii" = Tropidoceras calliplocum, "Tropidoceras sparsicosta" = Tropidoceras calliplocum, "Tropidoceras aff. masseanum" = Tropidoceras masseanum, "Tropidoceras lineatum" = Tropidoceras masseanum, Tropidoceras futtereri, Tropidoceras ellipticum, "Acanthopleuroceras aff. stahli" = Tropidoceras stahli
Tropidoceras sp. Hyatt 1867 ammonite
"Tropidoceras aff. stefanii" = Tropidoceras calliplocum Gemmellaro 1884 ammonite
"Tropidoceras sparsicosta" = Tropidoceras calliplocum Gemmellaro 1884 ammonite
"Tropidoceras aff. masseanum" = Tropidoceras masseanum d'Orbigny 1844 ammonite
"Tropidoceras lineatum" = Tropidoceras masseanum d'Orbigny 1844 ammonite
Tropidoceras futtereri Spath 1923 ammonite
Tropidoceras ellipticum Sowerby 1815 ammonite
"Acanthopleuroceras aff. stahli" = Tropidoceras stahli Oppel 1856 ammonite
 Phylloceratida - Juraphyllitidae
Tragophylloceras ibex
Tragophylloceras ibex Quenstedt 1843 ammonite
T. ibex-heterophyllum
 Belemnitida - Passaloteuthididae
Passaloteuthis ridgensis n. sp., Angeloteuthis gabriel, Angeloteuthis raphael n. sp.
Passaloteuthis ridgensis n. sp. Lang 1928 belemnite
Angeloteuthis gabriel Lang 1928 belemnite
Angeloteuthis raphael n. sp. Lang 1928 belemnite
Gastropoda
 Caenogastropoda - Coelostylinidae
Coelostylina sp.
Coelostylina sp. Kittl 1894 snail