Where: Nord-Pas de Calais, France (50.6° N, 3.1° E: paleocoordinates 40.6° N, 4.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Micraster cortestudinarium other zone, Coniacian (89.8 - 86.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified chalk

Size class: macrofossils

Primary reference: S. Defretin-Lefranc. 1960. Contribution a l'etude des spongiaires siliceux du Crétacé supérieur du nord de la France. Theses presentees a la Faculte des Sciences de Lille 1-178 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113560: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.08.2011

Creative Commons license: CC BY (attribution)