Echinoderms, Meerssen, Maastricht, Geulhem (Cretaceous to of Netherlands)

Where: Limburg, Netherlands (50.9° N, 5.8° E: paleocoordinates 43.8° N, 4.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meerssen Member (Maastricht Formation), Late/Upper Maastrichtian to Late/Upper Maastrichtian (70.6 - 61.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: shoreface; poorly lithified grainstone

• Poorly indurated white yellowish coarse- to very coarse-grained chalks whith cleraly developed hardgrounds and fossil hash layers

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 32169: authorized by Loic Villier, entered by Loic Villier on 08.06.2003, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Salenioida - Saleniidae
"Salenia maestrichtensis" = Salenidia maestrichtensis2
"Salenia maestrichtensis" = Salenidia maestrichtensis2 Schluter 1892 sea urchin
 Cassiduloida -
Procassidulus lapiscancri2 Leske 1778 sea urchin
 Cassiduloida - Cassidulidae
Nucleopygus scrobiculatus2 Goldufss 1826 sea urchin
 Holectypoida - Holectypidae
Coenholectypus macrostomus2 Engel 1964 sea urchin
 Holasteroida - Holasteridae
Hemipneustes striatoradiatus2 Leske 1778 sea urchin
 Spatangoida - Hemiasteridae
Hemiaster prunella2 Lamarck 1816 heart urchin
 Spatangoida - Micrasteridae
Ophiuroidea
 Ophiacanthida - Ophiomyxidae
? Ophiomyxa jekerica Berry 1938 brittle star
 Ophiurida - Ophiuridae
Felderophiura vanderhami, "Ophiotitanos serrata" = Ophiura serrata
Felderophiura vanderhami Jagt 1991 brittle star
"Ophiotitanos serrata" = Ophiura serrata Roemer 1841 brittle star
 Euryalida - Euryalidae
? Trichaster ornatus Rasmussen 1950 basket star
Crinoidea
 Cyrtocrinida - Holopodidae
Thalassotaenia debeyi
  -
Thalassotaenia debeyi3 van der Ham et al. 2007