Echinoderms, Gronsveld, Maastricht, Eben Amael, Liege (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: Gronsveld, Schiepersberg Member (Maastricht Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore ramp; poorly lithified packstone

• Poorly indurated, white yellowish, fine- to coarse-grained, homogeneous chalks with numerous regular beds and randomly distributed light-grey flint nodules

Size classes: macrofossils, mesofossils

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 32154: authorized by Loic Villier, entered by Loic Villier on 07.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Comatulida - Bourgueticrinidae
Dunnicrinus aequalis1
Dunnicrinus aequalis1 D'Orbigny 1841 Feather star
 Roveacrinida - Saccocomidae
Applinocrinus cretaceus1
Applinocrinus cretaceus1 Bather 1924 Sea lily
Ophiuroidea
 Ophiurida - Ophiosphalmidae
? Ophiomusium granulosum
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
Asteroidea
 Valvatida - Goniasteridae
Goniasteridae indet.3, Chomataster acules3
Goniasteridae indet.3 Forbes 1841 sea star
2 species of indeterminated goniasterids
Chomataster acules3 Spencer 1913 sea star
Echinoidea
 Cassiduloida - Cassidulidae
Nucleopygus coravium2, Nucleopygus scrobiculatus2
Nucleopygus scrobiculatus2 Goldufss 1826 sea urchin
 Irregularia - Nucleolitidae
Oolopygus pyriformis2
1Jagt 1999; 2Jagt 2000; 3Jagt 2000