Gressingham Beck, Cravenoceras gressinghamense Marine Band (Carboniferous of the United Kingdom)

Where: England, United Kingdom (54.1° N, 2.7° W: paleocoordinates 1.1° S, 5.8° E)

• small collection-level geographic resolution

When: E2a2-alpha zone, Roeburndale Formation, Arnsbergian (326.4 - 318.1 Ma)

• About 1.5 m thick section.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, phosphatic, gray mudstone and limestone

• [litho is taken from brandon et al. 1995] fossiliferous, hemipelagic, dark grey, fissile mudstone with abundant small, irregular phosphatic nodules. limestone nodules are common. some cone-in-cone structure

Primary reference: A. Brandon, N. Aitkenhead, R. G. Crofts, R. A. Ellison, D. J. Evans and N. J. Riley. 1998. Geology of the country around Lancaster. Memoir of the British Geological Survey. Sheet 59 (England and Wales) 1-181 [J. Alroy/M. Sommers]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8617: authorized by John Alroy, entered by Mike Sommers on 11.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Myalinidae
Selenimyalina sp. Newell 1942 clam
 Pectinida -
Pectinoidea indet. Rafinesque 1815 scallop
 Ostreida - Lunulicardiidae
 Ostreida - Posidoniidae
Cephalopoda
 Goniatitida - Dimorphoceratidae
 Goniatitida - Cravenoceratidae
 Goniatitida - Girtyoceratidae
Eumorphoceras sp. Girty 1909 ammonite
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
orthocone
unclassified
  -
Vertebrata indet. Lamarck 1801
fish debris
Conodonta
  -
Conodonta indet. Eichenberg 1930 conodont
conodonts