Żebrak IG-1 borehole (976-1010m) (Triassic of Poland)

Where: Poland (52.1° N, 22.1° E: paleocoordinates 20.9° N, 25.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lower Member (Muschelkalk Formation), Anisian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone and marl

Size classes: macrofossils, mesofossils, microfossils

Collection methods: Repository: Museum of the Geological Survey of Poland, Warsaw

Primary reference: E. Popiel-Barczyk and H. Senkowiczowa. 1983. Middle Triassic juvenile terebratulids Angustothyris angustaeformis (Boeckh) from the Żebrak borehole, eastern Poland. Acta Geologica Polonica 33:85-97 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 206774: authorized by Alex Dunhill, entered by Bethany Allen on 29.11.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Foraminifera -
unclassified
  -
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Ophiuroidea
  -
Ophiuroidea indet. Gray 1840 brittle star
Holothuroidea
 Aspidochirotida - Holothuriidae
Holothuriidae indet. Ludwig 1894 sea cucumber
sclerites
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Tentaculita
 Microconchida -
"Spirorbis valvata" = Microconchus valvatus
"Spirorbis valvata" = Microconchus valvatus Munster 1831
Bivalvia
 Pectinida - Limidae
Plagiostoma striatum Schlotheim 1820 file clam
Rhynchonellata
 Terebratulida - Dielasmatidae
Sulcatinella subsulcata Senkowiczowa and Popiel-Barczyk 1996
 Terebratulida - Angustothyrididae
Angustothyris angustaeformis Boekh 1872
MUZ IG 1398 II, numerous juvenile specimens
Calcarea
  -
Calcarea indet. Bowerbank 1864 calcareous sponge