Echinoderms, Gronsveld, Maastricht, Enci-Maastricht (Cretaceous to of Netherlands)

Where: Netherlands (50.9° N, 5.7° E: paleocoordinates 43.2° N, 4.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Valkenburg, Gronsveld Member (Maastricht Formation), Late/Upper Maastrichtian to Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified packstone

• Poorly indurated white yellowish to yellowish-grey, fine to coarse-grained chalks. Small 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 32162: authorized by Loic Villier, entered by Loic Villier on 07.06.2003, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Pennatulacea -
 Scleractinia - Micrabaciidae
Micrabacia sp.5 Milne-Edwards 1849 stony coral
Crinoidea
 Roveacrinida - Saccocomidae
Applinocrinus cretaceus2 Bather 1924 Sea lily
 Roveacrinida - Roveacrinidae
Birgelenocrinus degraafi2 Jagt 1999 Sea lily
 Comatulida - Jaekelometridae
? Jaekelometra defectiva2 Jagt 1999 Feather star
 Comatulida - Pterocomidae
Placometra ex gr. laticirra2 Carpenter 1880 Feather star
 Comatulida - Bourgueticrinidae
Dunnicrinus aequalis2 D'Orbigny 1841 Feather star
Echinoidea
 Cidaroida - Cidaridae
Temnocidaris sp.3 Cotteau 1863 pencil urchin
 Salenioida - Saleniidae
"Salenia bonissenti" = Salenidia bonissenti3
"Salenia bonissenti" = Salenidia bonissenti3 Cotteau 1866 sea urchin
 Calycina - Phymosomatidae
Gauthieria pseudoradiata3 Schluter 1883 sea urchin
 Cassiduloida -
Procassidulus lapiscancri3 Leske 1778 sea urchin
 Cassiduloida - Cassidulidae
 Irregularia - Nucleolitidae
 Spatangoida - Hemiasteridae
Hemiaster prunella3 Lamarck 1816 heart urchin
 Spatangoida - Micrasteridae
 Spatangoida -
Leymeriaster eluvialis3 van der Ham 1995 heart urchin
 Holasteroida - Holasteridae
Hemipneustes striatoradiatus3 Leske 1778 sea urchin
Cardiaster ex gr. granulosus3 Goldfuss 1826 sea urchin
 Stomopneustoida - Stomechinidae
Ophiuroidea
 Amphilepidida - Ophiotrichidae
? Ophiothrix bongaertsi Kutscher and Jagt 2000 brittle star
few arm fragments and many dissociated ossicles
 Ophiacanthida - Ophiacanthidae
? Ophiacantha danica Rasmussen 1951 brittle star
an individual, few fragmentary arms and numerous lateral arm plates
 Ophiurida - Ophiosphalmidae
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
 Ophiurida - Ophiuridae
"Ophiotitanos serrata" = Ophiura serrata
"Ophiotitanos serrata" = Ophiura serrata Roemer 1841 brittle star
few arm fragments
 Ophiurida - Ophiopyrgidae
? Stegophiura hagenowi Rasmussen 1950 brittle star
numerous arm fragments
 Euryalida - Euryalidae
? Trichaster ornatus Rasmussen 1950 basket star
numerous vertebrae
Asteroidea
 Valvatida - Goniasteridae
Goniasteridae indet.4 Forbes 1841 sea star
5 species of indeterminated goniasterids
Metopaster ex gr. tumidus4 Spencer 1913 sea star
Chomataster acules4 Spencer 1913 sea star
 Valvatida - Stauranderasteridae
"? Aspidaster aff. senonensis" = Manfredaster senonensis4
"? Aspidaster aff. senonensis" = Manfredaster senonensis4 Valette 1902 sea star
 Valvatida - Sphaerasteridae
Valettaster ex gr. ocellatus4 Forbes 1848 sea star
 Paxillosida - Benthopectinidae
Cheiraster ? sp.1 Studer 1883 sea star
 Paxillosida - Astropectinidae
Astropectinidae indet.4 Gray 1840 sea star
Lophidiaster pygmaeus4 Spencer 1913 sea star