Great Gransden brick pit (Jurassic of the United Kingdom)

Also known as Cryptosaurus/Cryptodraco type

Where: England, United Kingdom (52.2° N, 0.1° W: paleocoordinates 42.8° N, 9.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Decipia decipiens ammonoid zone, Ampthill Clay Formation, Late/Upper Oxfordian (161.2 - 155.7 Ma)

• also referred to Oxford Clay; but probably from the ?Decipia decipiens Zone of the Ampthill Clay, middle Upper Oxfordian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; claystone

Size class: macrofossils

Collected by L. Ewbank in 1869

Collection methods: quarrying,

• Collected by L. Ewbank from a brick pit, now covered

Primary reference: H. G. Seeley. 1875. On the femur of Cryptosaurus eumerus, Seeley, a dinosaur from the Oxford Clay of Great Gransden. Quarterly Journal of the Geological Society of London 319:149-151 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36582: authorized by Matthew Carrano, entered by Matthew Carrano on 05.02.2004, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ornithischia -
Cryptosaurus eumerus n. gen. n. sp.
Cryptosaurus eumerus n. gen. n. sp. Seeley 1875 ornithischian
SMC J.46882
 Sauropterygia - Pliosauridae
"Pliosaurus pachydeirus n. sp." = Liopleurodon pachydeirus2, Pliosaurus sp.1
"Pliosaurus pachydeirus n. sp." = Liopleurodon pachydeirus2 Seeley 1869 plesiosaur
CAMSM J.46912 (atlas-axis plus 15 cervical vertebrae)
Pliosaurus sp.1 Owen 1841 plesiosaur
17 assoc. vertebrate