Echinoderms, Vijlen, Gulpen, Lixhe (Cretaceous of Belgium)

Where: Liege, Belgium (50.8° N, 5.7° E: paleocoordinates 43.3° N, 4.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vijlen Member (Gulpen Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified wackestone

• Yellowish grey, glauconitic, fine-grained chalks, with a basal glauconitic-rich portion

Size classes: macrofossils, mesofossils

Preservation: original calcite

Collection methods: bulk, 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 32151: authorized by Loic Villier, entered by Loic Villier on 07.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Calycina - Phymosomatidae
Gauthieria pseudoradiata1 Schluter 1883 sea urchin
 Spatangoida - Hemiasteridae
 Spatangoida - Micrasteridae
Diplodetus duponti1 heart urchin
Diplodetus parvistella1 heart urchin
 Holasteroida - Holasteridae
Cardiaster ex gr. granulosus1 Goldfuss 1826 sea urchin
Ophiuroidea
 Ophiacanthida - Ophiobyrsidae
? Ophiosmilax alternatus Kutscher and Jagt 2000 brittle star
dissociated lateral arrm plates
 Ophiurida - Ophiosphalmidae
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
 Ophiurida - Ophiopyrgidae
? Stegophiura hagenowi Rasmussen 1950 brittle star
numerous arm fragments
Asteroidea
 Valvatida - Goniasteridae
Recurvaster spiniger2 Jagt 2000 sea star
Crateraster reticulatus2 Schulz and Weitschat 1981 sea star
Chomataster acules2 Spencer 1913 sea star
 Paxillosida - Astropectinidae
Lophidiaster pygmaeus2 Spencer 1913 sea star