Bed 121, Belemnite Stone, Charmouth (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.)

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, nodular lime mudstone

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 159141: authorized by Matthew Clapham, entered by Matthew Clapham on 27.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Tetrarhynchiidae
Gibbirhynchia curviceps
Gibbirhynchia curviceps Quenstedt 1852
B.49491
Bivalvia
 Pectinida - Pectinoidae
Chlamys milvus n. sp.
Chlamys milvus n. sp. Cox 1928 scallop
L.48650
 Myalinida - Inoceramidae
"Inoceramus ventricosus" = Parainoceramya ventricosa
"Inoceramus ventricosus" = Parainoceramya ventricosa Sowerby 1823 clam
L.48660-62
 Arcida - Parallelodontidae
Parallelodon trapezium
Parallelodon trapezium Cox 1928 clam
L.48645
 Pholadida - Ceratomyidae
Ceratomya petricosa
Ceratomya petricosa Simpson 1855 clam
L.48652-53
 Cardiida - Arcticidae
? Isocyprina sp.
? Isocyprina sp. Röder 1882 clam
L.48651
Cephalopoda
 Ammonitida - Liparoceratidae
Liparoceras obtusinodum, Liparoceras sp., "Beaniceras spp." = Aegoceras (Beaniceras), Beaniceras aff. luridum, Beaniceras centaurus
Liparoceras obtusinodum ammonite
C.23583, 20245
Liparoceras sp. Hyatt 1867 ammonite
C.23584-85
"Beaniceras spp." = Aegoceras (Beaniceras) Buckman 1913 ammonite
C.23580-82
Beaniceras aff. luridum Simpson 1855 ammonite
C.22321
Beaniceras centaurus d'Orbigny 1844 ammonite
C.22322
 Ammonitida - Lytoceratidae
Lytoceras sp., Lytoceras fimbriatum
Lytoceras sp. Suess 1865 ammonite
C.23592-93
Lytoceras fimbriatum Sowerby 1817 ammonite
C.23586-87
 Phylloceratida - Juraphyllitidae
Tragophylloceras cf. paucicostatum, Tragophylloceras aff. loscombi
Tragophylloceras aff. loscombi Sowerby 1814 ammonite
C.23588-91
 Belemnitida - Hastitidae
Hastites stonebarroensis, Hastites spadixari
Hastites stonebarroensis Lang 1928 belemnite
C.11996
Hastites spadixari Simpson 1855 belemnite
C.29529-30
 Belemnitida - Passaloteuthididae
Passaloteuthis apicicurvata
Passaloteuthis apicicurvata Blainville 1827 belemnite
C.28997
Gastropoda
 Trochoidea - Trochidae
Cirsostylus euomphalus
Cirsostylus euomphalus Quenstedt 1856 top snail
G.26485
 Seguenzioidea - Eucyclidae
Amberleya subimbricata
Amberleya subimbricata d'Orbigny 1850 snail
G.14584, 26323-24