Echinoderms, Emael, 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: Emael Member (Maastricht Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified packstone

• Poorly undurated white-yellowish and yellowish-brown, fine to 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 3: Ophiuroids. Scripta Geologica 21:1-179 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32155: authorized by Loic Villier, entered by Loic Villier on 07.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Ophiuroidea
 Ophiurida - Ophiosphalmidae
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
Echinoidea
 Holasteroida - Holasteridae
Hemipneustes striatoradiatus2 Leske 1778 sea urchin
 Irregularia - Nucleolitidae
 Cassiduloida -
Procassidulus lapiscancri2 Leske 1778 sea urchin
Crinoidea
 Roveacrinida - Saccocomidae
Applinocrinus cretaceus1 Bather 1924 Sea lily
 Comatulida - Bourgueticrinidae
Dunnicrinus aequalis1 D'Orbigny 1841 Feather star