South Marston (Marston Ironstone, BMNH) (Jurassic of the United Kingdom)

Where: Wiltshire, United Kingdom (51.5° N, 1.9° W: paleocoordinates 42.1° N, 8.1° E)

When: Pseudocordata ammonoid zone, Marston Ironstone Member (Ampthill Clay Formation), Late/Upper Oxfordian (161.2 - 155.7 Ma)

• Pseudoyo subzone

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, ferruginous, ooidal limestone

Size class: macrofossils

Reposited in the BMNH

Primary reference: J. K. Wright. 2010. The Aulacostephanidae (Ammonoidea) of the Oxfordian/Kimmeridgian boundary beds (Upper Jurassic) of southern England. Palaeontology 53:11-52 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163927: authorized by Matthew Clapham, entered by Matthew Clapham on 19.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Aulacostephanidae
Ringsteadia pseudoyo, Ringsteadia brandesi n. sp., Ringsteadia marstonensis n. sp., Ringsteadia anglica
Ringsteadia pseudoyo Salfeld 1917 ammonite
Ringsteadia brandesi n. sp. Salfeld 1917 ammonite
Ringsteadia marstonensis n. sp. Salfeld 1917 ammonite
Ringsteadia anglica Salfeld 1917 ammonite