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

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified wackestone

• white, fine-grained-chalks with irregular 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 32153: authorized by Loic Villier, entered by Loic Villier on 07.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Calycina - Phymosomatidae
Gauthieria pseudoradiata2 Schluter 1883 sea urchin
 Spatangoida -
Leymeriaster eluvialis2 van der Ham 1995 heart urchin
 Spatangoida - Hemiasteridae
Hemiaster koninckanus2 heart urchin
Hemiaster prunella2 Lamarck 1816 heart urchin
 Holasteroida - Holasteridae
Cardiaster ex gr. granulosus2 Goldfuss 1826 sea urchin
"Hemipneustes oculatus" = Hemipneustes striatoradiatus2 Leske 1778 sea urchin
 Irregularia - Nucleolitidae
 Cassiduloida - Cassidulidae
Nucleopygus scrobiculatus2 Goldufss 1826 sea urchin
Ophiuroidea
 Ophiurida - Ophiosphalmidae
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
Asteroidea
 Valvatida - Goniasteridae
Goniasteridae indet.3 Forbes 1841 sea star
4 species of indeterminated goniasterids
Chomataster acules3 Spencer 1913 sea star
 Paxillosida - Astropectinidae
Astropectinidae indet.3 Gray 1840 sea star
Lophidiaster pygmaeus3 Spencer 1913 sea star
Crinoidea
 Comatulida - Bourgueticrinidae
Dunnicrinus aequalis1 D'Orbigny 1841 Feather star
 Comatulida - Pterocomidae
Placometra ex gr. laticirra1 Carpenter 1880 Feather star