Where: Italy (43.3° N, 12.7° E: paleocoordinates 29.0° N, 18.7° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Maiolica Formation, Early/Lower Hauterivian (136.4 - 130.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified, cherty/siliceous limestone
Size class: microfossils
Preservation: original silica, replaced with silica
Collection methods: bulk,
Primary reference: R. Dumitrica-Jud. 1995. Early Cretaceous Radiolarian Biostratigraphy of Umbria-Marche Apennines (Italy), Southern Alps (Italy and Switzerland) and Hawasina Nappes (Oman). Mémoires de Géologie (Lausanne) 23:751-790 [T. Danelian/T. Danelian/T. Danelian]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 49133: authorized by Taniel Danelian, entered by Taniel Danelian on 09.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
? Xitus alievi Foreman 1973 radiolarian
Xitus aff. spicularius Aliev 1961 radiolarian
Crolanium "spp." Pessagno 1977 radiolarian | |
Sethocapsa aff. kaminogoensis, Sethocapsa leiostraca, Sethocapsa dorysphaeroides, Sethocapsa uterculus, Sethocapsa trachyostraca
Sethocapsa aff. kaminogoensis Aita 1986 radiolarian
Sethocapsa leiostraca Foreman 1973 radiolarian
Sethocapsa dorysphaeroides Neviani 1900 radiolarian
Sethocapsa uterculus Parona 1890 radiolarian
Sethocapsa trachyostraca Foreman 1973 radiolarian | |
Syringocapsa limatum Foreman 1973 radiolarian | |
"Spongocapsula aff. coronata" = Torculum coronatum
"Spongocapsula aff. coronata" = Torculum coronatum Squinabol 1904 radiolarian | |
"Parvicingula cosmoconica" = Praeparvicingula cosmoconica, "Parvicingula ex gr. boesii" = Tethysetta boesii, Mirifusus sensu lato dianae, Mirifusus dianae, Wrangellium puga
"Parvicingula cosmoconica" = Praeparvicingula cosmoconica Foreman 1973 radiolarian
"Parvicingula ex gr. boesii" = Tethysetta boesii Parona 1890 radiolarian
Mirifusus sensu lato dianae radiolarian
Mirifusus dianae radiolarian
Wrangellium puga Schaaf 1981 radiolarian | |
Archaeodictyomitra apiarium Rüst 1885 radiolarian
Archaeodictyomitra excellens Tan Sin Hok 1927 radiolarian | |
Acanthocircus sensu lato trizonalis Rüst 1898 radiolarian | |
? Angulobracchia portmanni, ? Angulobracchia sensu lato portmanni, ? Cyclastrum trigonum, Deviatus sensu lato diamphidius
? Angulobracchia portmanni Baumgartner 1984 radiolarian
? Angulobracchia sensu lato portmanni Baumgartner 1984 radiolarian
? Cyclastrum trigonum radiolarian
Deviatus sensu lato diamphidius Foreman 1973 radiolarian | |
Tritrabs sensu lato ewingi Pessagno 1977 radiolarian
Ditrabs sansalvadorensis radiolarian | |
Pantanellium squinaboli Tan Sin Hok 1927 radiolarian |