Echinoderms, Nekum, Maastricht, Bemelen (Cretaceous of Netherlands)

Where: Netherlands (50.9° N, 5.8° E: paleocoordinates 43.4° N, 4.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nekum Member (Maastricht Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: shoreface; poorly lithified grainstone

• Poorly indurated, white yellowish, coarse-grained, homogeneous chalks

Size classes: macrofossils, mesofossils

Preservation: original calcite

Collection methods: bulk, surface (float), surface (in situ), sieve,

Primary reference: J. W. M. Jagt. 2000. Late Cretaceous-Early Paleocene echinoderms and the K/T boundary in the southeast Netherlands and the northeast Belgium. - part 4: Echinoids. Scripta Geologica 21:181-375 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32178: authorized by Loic Villier, entered by Loic Villier on 09.06.2003, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

 Podocopida -
Anticythereis euglypha Bosquet 1854 ostracod
 Holasteroida - Holasteridae
Hemipneustes striatoradiatus Leske 1778 sea urchin
 Cassiduloida -
Procassidulus lapiscancri Leske 1778 sea urchin