Ophiuroids, lower Maastrichtian, Mon, Denmark (Cretaceous to of Denmark)

Where: Denmark (55.0° N, 12.3° E: paleocoordinates 47.4° N, 10.4° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Early/Lower Maastrichtian to Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified wackestone

Preservation: original calcite

Collection methods: bulk, 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 32023: authorized by Loic Villier, entered by Loic Villier on 01.06.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ophiuroidea
 Ophiacanthida - Ophiacanthidae
? Ophiacantha rugosa n. sp., Ophiacantha punctata n. sp., ? Ophiacantha striata n. sp., ? Ophiacantha danica
? Ophiacantha rugosa n. sp. Kutscher and Jagt 2000 brittle star
lateral arm plate
Ophiacantha punctata n. sp. Kutscher and Jagt 2000 brittle star
? Ophiacantha striata n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophiacantha danica Rasmussen 1951 brittle star
an individual, few fragmentary arms and numerous lateral arm plates
 Ophiacanthida - Ophiobyrsidae
? Ophiosmilax alternatus n. sp.
? Ophiosmilax alternatus n. sp. Kutscher and Jagt 2000 brittle star
dissociated lateral arm plates
 Ophiacanthida - Ophiodermatidae
? Ophioderma substriatum, ? Ophioderma radiatum n. sp.
? Ophioderma substriatum Rasmussen 1950 brittle star
few dozens of lateral arm plates
? Ophioderma radiatum n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Ophiacanthida - Ophiomyxidae
? Ophiomyxa jekerica, ? Ophiomyxa rhipidata n. sp., ? Ophiomyxa curvata n. sp.
? Ophiomyxa jekerica Berry 1938 brittle star
several dozens of vertebrae
? Ophiomyxa rhipidata n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophiomyxa curvata n. sp. Kutscher and Jagt 2000 brittle star
 Ophiacanthida - Ophiocomidae
? Ophiocoma senonensis, ? Ophiocoma rasmusseni
? Ophiocoma senonensis Valette 1914 brittle star
few arm fragments and numerous lateral, dorsal and ventral arm plates
? Ophiocoma rasmusseni Hess 1960 brittle star
few dissociated lateral arm plates
 Ophioscolecida - Ophioscolecidae
? Ophioscolex cretaceus n. sp., ? Ophioscolex clivulus n. sp.
? Ophioscolex cretaceus n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
? Ophioscolex clivulus n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Amphilepidida - Amphiuridae
? Amphiura plana n. sp.
? Amphiura plana n. sp. Kutscher and Jagt 2000 brittle star
several dozens of vertebrae and lateral arm plates
 Amphilepidida - Ophiactidae
? Ophiactis sulcata n. sp.
? Ophiactis sulcata n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Amphilepidida - Ophiotrichidae
? Ophiothela semirotunda n. sp., ? Ophiothrix cristata n. sp.
? Ophiothela semirotunda n. sp. Kutscher and Jagt 2000 brittle star
? Ophiothrix cristata n. sp. Kutscher and Jagt 2000 brittle star
few dissociated lateral arm plates
 Amphilepidida - Ophiolepididae
? Ophiolepis linea n. sp., ? Ophiolepis granulata n. sp., Mesophiomusium moenense n. sp.
? Ophiolepis linea n. sp. Kutscher and Jagt 2000 brittle star
few lateral arm plates
? Ophiolepis granulata n. sp. Kutscher and Jagt 2000 brittle star
few lateral arm plates
Mesophiomusium moenense n. sp. Kutscher and Jagt 2000 brittle star
 Amphilepidida - Hemieuryalidae
? Hemieuryale parva n. sp.
? Hemieuryale parva n. sp. Kutscher and Jagt 2000 brittle star
 Euryalida - Euryalidae
? Trichaster sp., ? Trichaster ornatus
? Trichaster sp. Agassiz 1836 basket star
numerous vertebrae
? Trichaster ornatus Rasmussen 1950 basket star
numerous vertebrae
 Euryalida - Asteronychidae
? Asteronyx spinulosa n. sp., ? Asteronyx simplex
? Asteronyx spinulosa n. sp. Kutscher and Jagt 2000 basket star
dorsal arm plates
? Asteronyx simplex Müller 1950 basket star
 Ophiurida - Aplocomidae
Sinosura jasmundensis n. sp.
Sinosura jasmundensis n. sp. Kutscher and Jagt 2000 brittle star
 Ophiurida - Ophiosphalmidae
Ophiomusium granulosum, Ophiomusium sentum n. sp., Ophiomusium biconcavum n. sp., Ophiomusium sinuatum n. sp.
Ophiomusium granulosum Roemer 1841 brittle star
many thousands of disc and arm ossicles
Ophiomusium sentum n. sp. Kutscher and Jagt 2000 brittle star
a small disc with arms
Ophiomusium biconcavum n. sp. Kutscher and Jagt 2000 brittle star
few lateral arm plates
Ophiomusium sinuatum n. sp. Kutscher and Jagt 2000 brittle star
few lateral arm plates
 Ophiurida - Ophiopyrgidae
? Stegophiura hagenowi
? Stegophiura hagenowi Rasmussen 1950 brittle star
numerous arm fragments
 Ophiurida - Ophiuridae
"Ophiotitanos serrata" = Ophiura serrata
"Ophiotitanos serrata" = Ophiura serrata Roemer 1841 brittle star
few arm fragments