Bonarka (Cretaceous of Poland)
Where: Poland (50.0° N, 20.0° E: paleocoordinates 40.5° N, 18.9° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Early/Lower Campanian (83.5 - 70.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified marl
Size class: macrofossils
Primary reference: H. Hurcewicz. 1966. Siliceous sponges from the Upper Cretaceous of Poland, part 1: Tetraxonia. Acta Palaeontologica Polonica 11(1):15-129 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 110329: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.06.2011, edited by Mihaela Krause
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Calcarea | |
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Hexactinellida | |
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Rhizopoterion tubiforme1, Ventriculites radiatus1, Lepidospongia fragilis1, Sporadoscinia micrommata1
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Demospongiae | |
Ragadinia rimosa Roemer 1864 demosponge | |
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Brochodora ramusculus Schrammen 1910 demosponge
Brochodora roemeri Hinde 1884 demosponge
Heterostinia obliqua demosponge | |
Pachycothon giganteum Roemer 1864 demosponge |