Echinoderms, Geulhem, Houthem, Geulhem (Paleocene of Netherlands)

Where: Limburg, Netherlands (50.9° N, 5.8° E: paleocoordinates 44.2° N, 3.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Geulhem Member (Houthem Formation), Danian (66.0 - 61.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified packstone

• Poorly indurated, light yellowish-grey, fine- to coarse-grained chalks with varying glauconite content

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 32170: authorized by Loic Villier, entered by Loic Villier on 08.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Ophiuroidea
 Ophiurida - Ophiocomidae
? Ophiocoma senonensis Valette 1914 brittle star
Asteroidea
 Paxillosida - Astropectinidae
Lophidiaster ex gr. punctatus3 Brünnich-Nielsen 1943 sea star
cited as Lophidiaster gr. punctatus/postornatus
? Astropecten sp.3 Gray 1840 sea star
 Valvatida - Stauranderasteridae
Stauranderaster miliaris3 Brünnich-Nielsen 1943 sea star
 Valvatida - Goniasteridae
Metopaster kagstrupensis3 Brünnich-Nielsen 1943 sea star
Metopaster carinatus3 Brünnich-Nielsen 1943 sea star
"Crateraster anchylus" = Teichaster anchylus3 Brünnich-Nielsen 1943 sea star
Echinoidea
 Cidaroida - Psychocidaridae
 Cidaroida - Cidaridae
Temnocidaris danica2 Desor 1855 pencil urchin
? Cidaris forchhammeri2 pencil urchin
 Holectypoida -
Adelopneustes montainvillensis2 Sorignet 1850 sea urchin
 Spatangoida - Schizasteridae
Schizasteridae indet.2 Lambert 1905 heart urchin
Linthia sp.2 Desor 1853 heart urchin
 Cassiduloida -
 Calycina - Phymosomatidae
 Salenioida - Saleniidae
Salenia belgica2 Lambert 1887 sea urchin
 Salenioida - Hyposaleniidae
Hyposalenia heliophora2 Agassiz and Desor 1846 sea urchin
Crinoidea
 Bourgueticrinida -
 Bourgueticrinida - Bathycrinidae