Where: Italy (44.0° N, 14.0° E: paleocoordinates 29.7° N, 19.8° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Maiolica Formation, Early/Lower Valanginian (140.2 - 136.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified, cherty/siliceous limestone
Size class: microfossils
Preservation: original silica, replaced with silica
Collection methods: bulk, chemical, hydrochloric,
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 51779: authorized by Taniel Danelian, entered by Taniel Danelian on 18.06.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Tritrabs sensu lato ewingi Pessagno 1977 radiolarian
Ditrabs sansalvadorensis radiolarian
? Ditrabs osteosa Jud 1994 radiolarian
Archaeotritrabs gracilis Steiger 1992 radiolarian | |
Archaeospongoprunum patricki Jud 1994 radiolarian | |
? Angulobracchia portmanni, ? Angulobracchia sensu lato portmanni, Cyclastrum rarum, Bistarkum valdorbiense, Bistarkum irazuense, Deviatus sensu lato diamphidius, ? Paronaella tubulata, Paronaella trifoliacea
? Angulobracchia portmanni Baumgartner 1984 radiolarian
? Angulobracchia sensu lato portmanni Baumgartner 1984 radiolarian
Cyclastrum rarum radiolarian
Bistarkum valdorbiense radiolarian
Bistarkum irazuense radiolarian
Deviatus sensu lato diamphidius Foreman 1973 radiolarian
? Paronaella tubulata Steiger 1992 radiolarian
Paronaella trifoliacea Ozvoldova 1992 radiolarian | |
Alievium helenae Schaaf 1981 radiolarian | |
Emiluvia sensu lato chica Foreman 1973 radiolarian
Emiluvia chica Foreman 1973 radiolarian
Emiluvia sensu lato pessagnoi Foreman 1973 radiolarian | |
Pantanellium squinaboli Tan Sin Hok 1927 radiolarian
Pantanellium aff. cantuchapai Pessagno and MacLeod 1987 radiolarian | |
? Stylosphaera macroxiphus radiolarian | |
Acaeniotyle dentata, Acaeniotyle umbilicata, "Acaeniotyle ex gr. diaphorogona" = Acastea diaphorogona, Parvivacca magna, Dicroa periosa
Acaeniotyle dentata radiolarian
Acaeniotyle umbilicata Rüst 1898 radiolarian
"Acaeniotyle ex gr. diaphorogona" = Acastea diaphorogona Foreman 1973 radiolarian
Parvivacca magna radiolarian
Dicroa periosa Foreman 1975 radiolarian | |
? Bernoullius monoceros radiolarian | |
Homoeoparonaella aff. irregularis radiolarian
Halesium biscutum radiolarian
? Halesium lineatum Jud 1994 radiolarian | |
Tetratrabs radix Jud 1994 radiolarian
Crucella collina Jud 1994 radiolarian
? Pseudocrucella elisabethae radiolarian | |
Triactoma tihonianum radiolarian
Triactoma luciae radiolarian
Suna echiodes Foreman 1973 radiolarian | |
Saitoum elegans De Wever 1981 radiolarian | |
Archaeodictyomitra excellens Tan Sin Hok 1927 radiolarian
Archaeodictyomitra apiarium Rüst 1885 radiolarian
Thanarla pulchra Squinabol 1904 radiolarian | |
Ristola cretacea, Parvicingula usotanensis, Mirifusus sensu lato dianae, Mirifusus dianae, Mirifusus apenninicus, Mirifusus odoghertyi, Mirifusus chenodes, Wrangellium columnum, Wrangellium puga, Wrangellium depressum, "Parvicingula ex gr. boesii" = Tethysetta boesii, "Parvicingula cosmoconica" = Praeparvicingula cosmoconica
Ristola cretacea Baumgartner 1980 radiolarian
Parvicingula usotanensis radiolarian
Mirifusus sensu lato dianae radiolarian
Mirifusus dianae radiolarian
Mirifusus apenninicus radiolarian
Mirifusus odoghertyi radiolarian
Mirifusus chenodes Renz 1974 radiolarian
Wrangellium columnum radiolarian
Wrangellium puga Schaaf 1981 radiolarian
Wrangellium depressum Baumgartner 1984 radiolarian
"Parvicingula ex gr. boesii" = Tethysetta boesii Parona 1890 radiolarian
"Parvicingula cosmoconica" = Praeparvicingula cosmoconica Foreman 1973 radiolarian | |
Obesacapsula bullata Steiger 1992 radiolarian
Obesacapsula morroensis Pessagno 1977 radiolarian
Obesacapsula verbana Parona 1890 radiolarian | |
Podocapsa amphitreptera, Syringocapsa vicetina, Syringocapsa longitubus, Syringocapsa agolarium, Katroma milloti
Podocapsa amphitreptera Foreman 1973 radiolarian
Syringocapsa vicetina radiolarian
Syringocapsa longitubus radiolarian
Syringocapsa agolarium Foreman 1973 radiolarian
Katroma milloti Schaaf 1984 radiolarian | |
Sethocapsa leiostraca, Sethocapsa trachyostraca, Sethocapsa dorysphaeroides, Sethocapsa aff. kaminogoensis, "Milax adrianae" = Arcanicapsa adrianae
Sethocapsa leiostraca Foreman 1973 radiolarian
Sethocapsa trachyostraca Foreman 1973 radiolarian
Sethocapsa dorysphaeroides Neviani 1900 radiolarian
Sethocapsa aff. kaminogoensis Aita 1986 radiolarian
"Milax adrianae" = Arcanicapsa adrianae Jud 1994 radiolarian | |
"Stichomitra aff. asymbatos" = Xitus asymbatos, ? Xitus alievi
"Stichomitra aff. asymbatos" = Xitus asymbatos Foreman 1968 radiolarian
? Xitus alievi Foreman 1973 radiolarian | |
Pseudodictyomitra carpatica Lozyniak 1969 radiolarian | |
"Eucyrtis columbaria" = Eucyrtidium, ? Pseudoeucyrtis fusus
"Eucyrtis columbaria" = Eucyrtidium radiolarian
? Pseudoeucyrtis fusus radiolarian | |
"? Jacus italicus" = Napora
"? Jacus italicus" = Napora radiolarian | |
"Acanthocircus furiosus" = Moebicircus furiosus, Acanthocircus sensu lato trizonalis
"Acanthocircus furiosus" = Moebicircus furiosus Jud 1994 radiolarian
Acanthocircus sensu lato trizonalis Rüst 1898 radiolarian |