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

Where: Netherlands (50.9° N, 5.7° 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 with clearly developed hardground 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 32160: authorized by Loic Villier, entered by Loic Villier on 07.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Isocrinida - Cainocrinidae
Nielsenicrinus ewaldi2 Jagt 1999 Sea lily
 Roveacrinida - Saccocomidae
Applinocrinus cretaceus2 Bather 1924 Sea lily
 Roveacrinida - Roveacrinidae
Birgelenocrinus degraafi2 Jagt 1999 Sea lily
 Comatulida - Conometridae
Amphorometra ex gr. conoidea2 Goldfuss 1839 Feather star
 Comatulida - Jaekelometridae
Jaekelometra ex gr. belgica2 Jaekel 1902 Feather star
Jaekelometra ex gr. concava2 Schlüter 1878 Feather star
 Comatulida - Notocrinidae
Semiometra lenticularis2 Rasmussen 1961 Feather star
Semiometra saskiae2 Jagt 1999 Feather star
 Cyrtocrinida - Holopodidae
Asteroidea
 Valvatida - Sphaerasteridae
Valettaster ex gr. ocellatus4 Forbes 1848 sea star
 Valvatida - Stauranderasteridae
? Stauranderaster sp.4 Spencer 1907 sea star
 Valvatida - Goniasteridae
Goniasteridae indet.4 Forbes 1841 sea star
6 species of indeterminated goniasterids
? Ophryaster maastrichtensis4 Umbgrove 1925 sea star
Metopaster sp.4 Sladen 1893 sea star
Metopaster alexiae4 Jagt 2000 sea star
 Paxillosida - Astropectinidae
Betelgeusia exposita1 Blake and Jagt 2005 sea star
Ophiuroidea
 Ophioscolecida - Ophioscolecidae
 Ophiacanthida - Ophiacanthidae
? Ophiacantha danica Rasmussen 1951 brittle star
 Ophiacanthida - Ophiocomidae
? Ophiocoma rasmusseni Hess 1960 brittle star
? Ophiocoma senonensis Valette 1914 brittle star
 Ophiacanthida - Ophiomyxidae
? Ophiomyxa rhipidata Kutscher and Jagt 2000 brittle star
 Amphilepidida - Amphiuridae
? Amphiura plana Kutscher and Jagt 2000 brittle star
Deckersamphiura inusitata Jagt 2000 brittle star
 Euryalida - Euryalidae
? Trichaster sp. Agassiz 1836 basket star
? Trichaster ornatus Rasmussen 1950 basket star
 Ophiurida - Ophiosphalmidae
? Ophiomusium lux Jagt 2000 brittle star
 Ophiurida - Ophiuridae
Felderophiura vanderhami Jagt 1991 brittle star
? Ophiocten yvonnae Jagt 2000 brittle star
Echinoidea
 Temnopleuroida -
? Micropsidia sp.3 Pomel 1883 sea urchin
 Euechinoidea - Orthopsidae
Orthopsis miliaris3 d'Archiac 1835 sea urchin
 Holectypoida - Holectypidae
Coenholectypus macrostomus3 Engel 1964 sea urchin
 Holectypoida -
 Clypeasteroida - Faujasiidae
Faujasia apicalis3 Desor 1847 sand dollar
 Irregularia - Nucleolitidae
Plagiochasma lammersmaxi3 Jagt and Ham 2000 sea urchin
 Cassiduloida -
Procassidulus lapiscancri3 Leske 1778 sea urchin
 Cassiduloida - Cassidulidae
Nucleopygus scrobiculatus3 Goldufss 1826 sea urchin
Rhynchopygus marmini3 Agassiz 1847 sea urchin
 Holasteroida - Holasteridae
Cardiaster ex gr. granulosus3 Goldfuss 1826 sea urchin
Hemipneustes striatoradiatus3 Leske 1778 sea urchin
 Spatangoida -
 Spatangoida - Hemiasteridae
Hemiaster koninckanus3 heart urchin
Hemiaster prunella3 Lamarck 1816 heart urchin
 Salenioida - Saleniidae
"Salenia maestrichtensis" = Salenidia maestrichtensis3
"Salenia maestrichtensis" = Salenidia maestrichtensis3 Schluter 1892 sea urchin
 Calycina - Phymosomatidae
Gauthieria pseudoradiata3 Schluter 1883 sea urchin
Winkleria maastrichtensis3 Engel 1964 sea urchin
 Arbacioida - Arbaciidae
Codiopsis disculus3 sea urchin
Goniopygus sp.3 Agassiz 1838 sea urchin
 Stomopneustoida - Stomechinidae
 Cidaroida - Cidaridae
Temnocidaris sp.3 Cotteau 1863 pencil urchin
Temnocidaris gigas3 pencil urchin
 Cidaroida - Psychocidaridae
Tylocidaris hardouini3 pencil urchin
Tylocidaris inexpectata3 pencil urchin