Where: Dorset, United Kingdom (50.6° N, 2.4° W: paleocoordinates 41.3° N, 7.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Baylei ammonoid zone, Kimmeridge Clay Formation, Early/Lower Kimmeridgian (155.7 - 150.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified mudstone
Size class: macrofossils
Reposited in the BGS
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 163957: authorized by Matthew Clapham, entered by Matthew Clapham on 20.11.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Pictonia densicostata, "Triozites seminudatus n. sp." = Pictonia seminudata
Pictonia densicostata Buckman 1924 ammonite
"Triozites seminudatus n. sp." = Pictonia seminudata Buckman 1924 ammonite |