Dogsthorpe brick pit (bed 10) (Jurassic of the United Kingdom)

Also known as Shanks & McEwan Waste Services Ltd. Peterborough

Where: England, United Kingdom (52.6° N, 0.2° W: paleocoordinates 42.8° N, 9.7° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Kosmoceras jason ammonoid zone, Peterborough Member (Oxford Clay Formation), Middle Callovian (164.7 - 161.2 Ma)

• "The specimen lay mainly within bed 10, but also within bed 11 of the Jason Zone and Subzone of the Lower Oxford Clay"

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; gray, carbonaceous mudstone and limestone

• "accumulated in a wide, shallow (30–50 m deep) epeiric sea"
• bed 10 is a fissile bituminous shale, bed 11 is a Gryphaea shell bed

•"The Lower Oxford Clay is composed predominantly of organic-rich mudstones that on exposure rapidly develop a shale-like fissility" (Hudson & Martill 1991, p. 20-21)

Size class: macrofossils

Preservation: shellbed

Collected in 1980s-1990

Collection methods: salvage, quarrying, mechanical,

• LEIUG 90985: University of Leicester, Department of Geology

•PETMG, The Peterborough Museum, Peterborough, United Kingdom

Primary reference: D. M. Martill. 1986. The stratigraphic distribution and preservation of fossil vertebrates in the Oxford Clay of England. Mercian Geologist 10(3):161-186 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 92051: authorized by Richard Butler, entered by Richard Butler on 28.10.2009, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Loricata - Metriorhynchidae
Metriorhynchus sp. von Meyer 1830 marine crocodile
LEIUG 90985, partial skeleton with stomach contents
? Metriorhynchus sp.4 von Meyer 1830 marine crocodile
Hollow bones, possibly wing-phalanges
 Plesiosauria - Pliosauridae
Simolestes vorax2 Andrews 1909 plesiosaur
PETMG R188, 'The Dogsthorpe pliosaur' skeleton
Cephalopoda
  -
Cephalopoda indet.3 Cuvier 1797
Cephalopod hooklets
 Belemnoidea -
Belemnoidea indet.3 Hyatt 1884 belemnite
Fragment of guard
 Ammonitida - Kosmoceratidae