Where: Svalbard and Jan Mayen (77.6° N, 15.1° E: paleocoordinates 41.0° N, 6.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Botneheia Formation, Bithynian to Bithynian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Primary reference: T. Ishibashi and K. Nakazawa. 1989. Triassic ammonites from west Spitsbergen. Memoirs of the Faculty of Science, Kyushu University, Series D, Geology 26:215-241 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97309: authorized by Matthew Clapham, entered by Matthew Clapham on 22.07.2010

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)