Where: Gloucestershire, United Kingdom (51.8° N, 2.2° W: paleocoordinates 39.0° N, 6.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Margaritatus (189.6 - 183.0 Ma)
• Not spinatum zone (as in Ager 1954), based on revision of ammonite stratigraphy by Howarth 1957 (Ager 1962).
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Collected by D.V. Ager; reposited in the BMNH
Primary reference: D. V. Ager. 1954. The genus Gibbirhynchia in the British Domerian. Proceedings of the Geologists' Association 65:25-51 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138204: authorized by Matthew Clapham, entered by Matthew Clapham on 06.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Gibbirhynchia thorncombiensis Buckman 1922 |