Ophiuroidea, Nasilow, Phosphatic layer, horizon Z (Cretaceous to of Poland)

Where: Poland (51.3° N, 22.0° E: paleocoordinates 44.2° N, 18.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Phosphatic layer Member, Late/Upper Maastrichtian to Late/Upper Maastrichtian (70.6 - 61.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, phosphatic limestone

Size class: mesofossils

Collection methods: sieve,

Primary reference: T. Maryanska and E. Popiel-Barczyk. 1969. On the Remains of Ophiuroidea from the Uppermost Maastrichtian and Danian Deposits at Nasilòw near Pulawy, Poland. Prace Muzeum Ziemi 14:131-139 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64008: authorized by Loic Villier, entered by Loic Villier on 29.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Ophiuroidea
  -
Ophiuroidea indet. Gray 1840 brittle star
mainly isolated vertebrae
 Ophiurida - Ophiosphalmidae
"Ophiomusium subcylindricum" = Ophiomusium granulosum, "Ophiomusium danicum" = Ophiomusium granulosum
"Ophiomusium subcylindricum" = Ophiomusium granulosum Roemer 1841 brittle star
10 lateral shields
"Ophiomusium danicum" = Ophiomusium granulosum Roemer 1841 brittle star
6 lateral shields
 Ophiurida - Ophiopyrgidae
"Ophiura hagenowi" = Stegophiura hagenowi
"Ophiura hagenowi" = Stegophiura hagenowi Rasmussen 1950 brittle star
1 arm fragment, 18 vertebrae, 11 lateral shields
 Euryalida - Euryalidae
"? Asteronyx ornatus" = Trichaster ornatus
"? Asteronyx ornatus" = Trichaster ornatus Rasmussen 1950 basket star
4 lateral shields
Asteroidea
 Paxillosida - Astropectinidae
Astropectinidae indet. Gray 1840 sea star
 Valvatida - Goniasteridae
Chomataster ? acules Spencer 1913 sea star
Teichaster sp. Spencer 1913 sea star
Crinoidea
 Isocrinida - Pentacrinitidae
Pentacrinus sp. Miller 1821 Sea lily
 Articulata -
Comatulida indet. Clark 1908 Feather star
 Comatulida - Bourgueticrinidae
Bourgueticrinus sp. Orbigny 1840 Feather star