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

Environment/lithology: offshore; poorly lithified, glauconitic wackestone

• yellowish grey, glauconitic, fine-grained chalk. Basal glauconitic portion

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 32148: authorized by Loic Villier, entered by Loic Villier on 07.06.2003, edited by Josh Mordaunt

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Roveacrinida - Saccocomidae
Applinocrinus cretaceus1 Bather 1924 Sea lily
 Comatulida - Antedonidae
? Hertha sp.1 Hagenow 1840 Feather star
 Comatulida - Bourgueticrinidae
Bourgueticrinus constrictus1 Hagenow 1876 Feather star
Bourgueticrinus aff. brydonei1 Rasmussen 1961 Feather star
Echinoidea
 Cidaroida - Cidaridae
Temnocidaris serrata2 pencil urchin
 Holasteroida - Holasteridae
Cardiaster granulosus2 Goldfuss 1826 sea urchin
 Spatangoida - Micrasteridae
Diplodetus duponti2 heart urchin
Diplodetus parvistella2 heart urchin
 Spatangoida - Brissidae
Cyclaster platornatus2 heart urchin
 Spatangoida - Hemiasteridae
 Calycina - Phymosomatidae
Gauthieria pseudoradiata2, "Phymosoma ex gr. granulosum" = Rachiosoma corollare2
Gauthieria pseudoradiata2 Schluter 1883 sea urchin
"Phymosoma ex gr. granulosum" = Rachiosoma corollare2 Leske 1778 sea urchin
 Salenioida - Saleniidae
Salenia anthophora2 Muller 1847 sea urchin
 Echinothurioida - Echinothuriidae
Echinothuriidae indet.2 Thomson 1872 sea urchin
Ophiuroidea
 Amphilepidida - Amphiuridae
? Amphiura plana Kutscher and Jagt 2000 brittle star
several dozens of vertebrae and lateral arm plates
 Ophiacanthida - Ophiodermatidae
? Ophioderma substriatum Rasmussen 1950 brittle star
few dozens of lateral arm plates
 Ophiacanthida - Ophiomyxidae
? Ophiomyxa rhipidata Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Ophiacanthida - Ophiocomidae
? Ophiocoma senonensis Valette 1914 brittle star
few arm fragments and numerous lateral, dorsal and ventral arm plates
 Ophiacanthida - Ophiobyrsidae
? Ophiosmilax alternatus Kutscher and Jagt 2000 brittle star
dissociated lateral arrm plates
 Ophioscolecida - Ophioscolecidae
? Ophioscolex cretaceus Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Euryalida - Euryalidae
? Trichaster ornatus Rasmussen 1950 basket star
numerous vertebrae
 Ophiurida - Ophiosphalmidae
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
 Ophiurida - Ophiopyrgidae
? Stegophiura trispinosa Jagt 2000 brittle star
few dissociated lateral arm plates and radial shields
Asteroidea
 Paxillosida - Benthopectinidae
Benthopectinidae indet.3 Verrill 1899 sea star
 Paxillosida - Astropectinidae
Lophidiaster pygmaeus3 Spencer 1913 sea star
 Valvatida - Goniasteridae
Goniasteridae indet.3 Forbes 1841 sea star
Chomataster acules3 Spencer 1913 sea star
Crateraster reticulatus3 Schulz and Weitschat 1981 sea star
Recurvaster spiniger3 Jagt 2000 sea star
Actinopteri
 Aulopiformes - Dercetidae
Dercetis triqueter4 Pictet 1850