Echinoderms, Nekum, Maastricht, Eben Amael (Cretaceous of Belgium)

Where: Liege, Belgium (50.8° N, 5.7° E: paleocoordinates 43.4° N, 4.5° 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: transition zone or lower shoreface; poorly lithified packstone

• Poorly indurated, white yellowish, coarse-grained, homogeneous chalks, in the lower part with a few randomly distributed greyish brown flint nodules

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 32174: authorized by Loic Villier, entered by Loic Villier on 08.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Cidaridae
Temnocidaris sp. Cotteau 1863 pencil urchin
 Cassiduloida -
Procassidulus lapiscancri Leske 1778 sea urchin
 Cassiduloida - Cassidulidae
 Irregularia - Nucleolitidae
 Holasteroida - Holasteridae
Hemipneustes striatoradiatus Leske 1778 sea urchin
 Stomopneustoida - Stomechinidae
Asteroidea
 Valvatida - Goniasteridae
? Parametopaster sp.2 Breton 1992 sea star
Crinoidea
 Comatulida - Notocrinidae
Semiometra saskiae1 Jagt 1999 Feather star