Dimmer Camp, pit 2, bed 4 (Jurassic of the United Kingdom)

Where: Somerset, United Kingdom (51.1° N, 2.5° W: paleocoordinates 37.8° N, 4.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Oxynotum (196.5 - 189.6 Ma)

• Oxynotum subzone. 15-20 cm thick.

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, nodular, gray, calcareous mudstone

• The lack of ripple lamination and scour structures also indicates that the sediment accumulated at depths below storm wave base.

Size class: macrofossils

Preservation: original calcite, replaced with pyrite

Reposited in the BMNH

Primary reference: N. T. J. Hollingworth, D. J. Ward, M. J. Simms and P. Clothier. 1990. A temporary exposure of Lower Lias (Late Sinemurian) at Dimmer Camp, Castle Cary, Somerset, south-west England. Mesozoic Research 2:163-180 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159470: authorized by Matthew Clapham, entered by Matthew Clapham on 02.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Oxynoticeratidae
Oxynoticeras oxynotum, Cheltonia acciptris
Oxynoticeras oxynotum Quenstedt 1843 ammonite
Cheltonia acciptris Buckman 1923 ammonite
 Belemnoidea -
Belemnitida indet.
Belemnitida indet. Zittel 1895 belemnite
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
"Spired gastropods"
Rhynchonellata
 Terebratulida - Zeilleriidae
Zeilleria perforata
Zeilleria perforata Piette 1856
 Rhynchonellida -
Rhynchonellida indet.
Crinoidea
 Isocrinida - Isocrinidae
Balanocrinus quiaiosensis
Balanocrinus quiaiosensis Loriol 1891 Sea lily