Echinoderms, Lanaye, Gulpen, Haccourt (Cretaceous of Belgium)

Where: Liege, Belgium (50.7° N, 5.7° E: paleocoordinates 43.3° N, 4.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lanaye Member (Gulpen Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

Environment/lithology: offshore; poorly lithified wackestone

• white, fine-grained chalk. Irregular, light to dark blue-grey 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 3: Ophiuroids. Scripta Geologica 21:1-179 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32149: authorized by Loic Villier, entered by Loic Villier on 07.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Ophiuroidea
 Ophiurida - Ophiodermatidae
? Ophioderma substriatum Rasmussen 1950 brittle star
few dozens of lateral arm plates
Asteroidea
 Valvatida - Goniasteridae
Chomataster acules3 Spencer 1913 sea star
Echinoidea
 Spatangoida - Brissidae
Diplodetus bucardium2 heart urchin
 Calycina - Phymosomatidae
Gauthieria pseudoradiata2 Schluter 1883 sea urchin
Crinoidea
 Bourgueticrinida -