Where: Bulgaria (43.6° N, 25.0° E: paleocoordinates 23.7° N, 22.4° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Acanthoceras jukesbrownei ammonoid zone, Sanandinovo Formation, Middle Cenomanian (99.6 - 93.5 Ma)
• Ammonite occurrences shown at multiple levels within sedimentary packet, assumed to reflect actual multiple collecting horizons.
• bed-level stratigraphic resolution
Environment/lithology: lithified marl
Size class: macrofossils
Collection methods: Repository: Department of Geology and Geography, University of Sofia
Primary reference: W. J. Kennedy and N. Jolkicev. 2004. Middle Cenomanian ammonites from the type section of the Sanandinovo Formation of northern Bulgaria. Acta Geologica Polonica 54:369-380 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 174935: authorized by Matthew Clapham, entered by Matthew Clapham on 01.12.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Protacanthoceras tuberculatum, Calycoceras (Newboldiceras) planecostatum, Calycoceras (Newboldiceras) asiaticum
Calycoceras (Newboldiceras) planecostatum Kossmat 1897 ammonite |