Echinoderms, Zeven Wegen, Gulpen, Haccourt (Cretaceous of Belgium)

Where: Liege, Belgium (50.7° N, 5.7° E: paleocoordinates 41.4° N, 6.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Zeven Wegen Member (Gulpen Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, glauconitic wackestone

• Light grey, fine grained chalk. Biomicrite.

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 32147: authorized by Loic Villier, entered by Loic Villier on 07.06.2003, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Mosasauridae
Mosasaurus sp.4 Parkinson 1822 mosasaur
Single tooth
cf. Prognathodon solvayi4 Dollo 1889 mosasaur
Single tooth crown
Ophiuroidea
 Phrynophiurida - Trichasteridae
? Trichaster sp. Agassiz 1836 brittle star
numerous vertebrae
? Trichaster ornatus Rasmussen 1950 brittle star
numerous vertebrae
 Ophiurida - Ophiomyxidae
? Ophiosmilax alternatus Kutscher and Jagt 2000 brittle star
dissociated lateral arrm plates
? Ophioscolex cretaceus Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophioscolex clivulus Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophiomyxa jekerica Berry 1938 brittle star
several dozens of vertebrae
 Ophiurida - Ophiactidae
? Ophiactis sulcata Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Ophiurida - Ophiolepididae
? Ophiomusium ? sentum Kutscher and Jagt 2000 brittle star
a small disc with arms
? Ophiomusium sinuatum Kutscher and Jagt 2000 brittle star
few lateral arm plates
? Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
? Ophiolepis falsa Jagt 2000 brittle star
few dissociated lateral arm plates
 Ophiurida - Ophiacanthidae
? Ophiacantha striata Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophiacantha rugosa Kutscher and Jagt 2000 brittle star
lateral arm plate
? Ophiacantha danica Rasmussen 1951 brittle star
an individual, few fragmentary arms and numerous lateral arm plates
 Ophiurida - Ophiodermatidae
? Ophioderma radiatum Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophioderma substriatum Rasmussen 1950 brittle star
few dozens of lateral arm plates
 Ophiurida - Ophiuridae
? Stegophiura hagenowi Rasmussen 1950 brittle star
numerous arm fragments
? Stegophiura trispinosa Jagt 2000 brittle star
few lateral arm plates and radial shields
"Ophiotitanos serrata" = Ophiura serrata Roemer 1841 brittle star
few arm fragments
 Ophiurida - Amphiuridae
? Amphiura plana Kutscher and Jagt 2000 brittle star
several dozens of vertebrae and lateral arm plates
 Ophiurida - Ophiothricidae
? Ophiothrix cristata Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophiothrix bongaertsi Kutscher and Jagt 2000 brittle star
few arm fragments and dissociated ossicules
 Ophiurida - Ophiocomidae
? Ophiocoma rasmusseni Hess 1960 brittle star
few dissociated lateral arm plates
? Ophiocoma senonensis Valette 1914 brittle star
few arm fragments and numerous lateral, dorsal and ventral arm plates
Asteroidea
 Paxillosida - Astropectinidae
Lophidiaster pygmaeus3 Spencer 1913 sea star
? Coulonia sp.3 de Loriol 1874 sea star
 Notomyotida - Benthopectinidae
Benthopectinidae indet.3 Verrill 1899 sea star
 Valvatida - Stauranderasteridae
Aspidaster sp.3 de Loriol 1884 sea star
 Valvatida - Sphaerasteridae
Valettaster ex gr. ocellatus3 Forbes 1848 sea star
 Valvatida - Pycinasteridae
Pycinaster magnificus3 Spencer 1913 sea star
 Valvatida - Goniasteridae
Nymphaster studlandensis3 Schulz and Weitschat 1975 sea star
Crateraster favosus3 Spencer 1913 sea star
"Metopaster decipiens" = Parametopaster decipiens3 Spencer 1913 sea star
Haccourtaster aemstelensis3 Jagt 2000 sea star
Recurvaster ex gr. radiatus3 Spencer 1913 sea star
Chomataster acules3 Spencer 1913 sea star
Metopaster sp.3 Sladen 1893 sea star
Metopaster praetumidus3 Schulz and Weitschat 1975 sea star
Metopaster uncatus3 Forbes 1848 sea star
 Forcipulatida - Asteriidae
Asteriidae indet.3 Gray 1840 sea star
Echinoidea
 Cidaroida - Cidaridae
Temnocidaris serrata2 pencil urchin
Temnocidaris sp.2 Cotteau 1863 pencil urchin
 Diadematoida - Diadematidae
 Holectypoida -
 Holasteroida - Holasteridae
 Holasteroida -
Galeola papillosa2 sea urchin
cited as Galeola papillosa basiplana
 Spatangoida - Micrasteridae
Micraster stolleyi2 heart urchin
Micraster ex gr. schroederi2 Stolley 1892 heart urchin
cited as Micraster gr. schroederi/glyphus
 Spatangoida - Brissidae
Diplodetus sp.2 heart urchin
Cyclaster platornatus2 heart urchin
 Spatangoida - Hemiasteridae
 Calycina - Phymosomatidae
"Phymosoma ex gr. granulosum" = Rachiosoma corollare2, Gauthieria mosae2, Gauthieria pseudoradiata2
"Phymosoma ex gr. granulosum" = Rachiosoma corollare2 Leske 1778 sea urchin
Gauthieria mosae2 Geys 1980 sea urchin
Gauthieria pseudoradiata2 Schluter 1883 sea urchin
 Calycina -
Salenocidaris obnupta2 Schl├╝ter 1892 sea urchin
 Salenioida - Saleniidae
Salenia heberti2 Cotteau 1861 sea urchin
Crinoidea
 Bourgueticrinida -
Bourgueticrinus sp.1 Orbigny 1840 Sea lily
2 indeterminated species
 Comatulida -
 Isocrinida - Cainocrinidae
Nielsenicrinus carinatus1 Roemer 1840 Sea lily
 Isocrinida -
 Roveacrinida - Saccocomidae