Fletton brick pit, Peterborough (Leeds Collection at Tübingen [GPIT]) (Jurassic of the United Kingdom)

Where: England, United Kingdom (52.6° N, 0.2° W: paleocoordinates 42.7° N, 9.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: offshore; carbonaceous mudstone

• "accumulated in a wide, shallow (30–50 m deep) epeiric sea"
• "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

Collected by A. N. Leeds

Collection methods: quarrying,

• GPIT: Institut für Geologie und Paläontologie, Universität Tübingen

Primary reference: G. von Arthaber. 1906. Beiträge zur Kenntnis der Organisation und der Anpassungserscheinungen des genus Metriorhynchus. Beiträge zur Paläontologie und Geologie Österreich-Ungarns und des Orients 19(4):287-320 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133067: authorized by Roger Benson, entered by Roger Benson on 01.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Belemnitida - Belemnopseidae
"Belemnites hastatus" = Belemnopsis hastata
"Belemnites hastatus" = Belemnopsis hastata Blainville 1808 belemnite
 Ammonitida - Aspidoceratidae
"Aspidoceras perarmatum" = Euaspidoceras perarmatum
"Aspidoceras perarmatum" = Euaspidoceras perarmatum Sowerby 1822 ammonite
Chondrichthyes
 Hybodontiformes - Acrodontidae
Asteracanthus ornatissimus Agassiz 1836 elasmobranch
Reptilia
 Ichthyosauria - Ophthalmosauridae
Ophthalmosaurus icenicus Seeley 1874 ichthyosaur
 Loricata - Teleosauridae
Steneosaurus dasycephalus Seeley 1869 marine crocodile
 Loricata - Metriorhynchidae
Metriorhynchus ? moreli Deslongchamps 1867 marine crocodile
"perhaps in a large second copy [of M. moreli] in the Münich collection"
"Metriorhynchus jaekeli" = Thalattosuchus superciliosus de Blainville 1853 marine crocodile
 Plesiosauria - Cryptoclididae
"Muraenosaurus leedsi" = Muraenosaurus leedsii, "Cryptoclidus oxoniensis" = Plesiosaurus oxoniensis
"Muraenosaurus leedsi" = Muraenosaurus leedsii Seeley 1874 plesiosaur
"Cryptoclidus oxoniensis" = Plesiosaurus oxoniensis Phillips 1871 plesiosaur
 Plesiosauria - Pliosauridae
Peloneustes philarchus Seeley 1869 plesiosaur
"Pliosaurus ferox" = Liopleurodon ferox Sauvage 1873 plesiosaur
Pliosaurus grandis Owen 1840 plesiosaur
Actinopteri
 Pachycormiformes - Pachycormidae