Where: Italy (44.0° N, 14.0° E: paleocoordinates 28.9° N, 20.0° 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 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 51701: authorized by Taniel Danelian, entered by Taniel Danelian on 12.06.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Suna echiodes Foreman 1973 radiolarian
Triactoma tihonianum radiolarian
Triactoma luciae radiolarian | |
"Acanthocircus furiosus" = Moebicircus furiosus, Acanthocircus variabilis, Acanthocircus sensu lato trizonalis
"Acanthocircus furiosus" = Moebicircus furiosus Jud 1994 radiolarian
Acanthocircus variabilis Squinabol 1914 radiolarian
Acanthocircus sensu lato trizonalis Rüst 1898 radiolarian | |
Saitoum elegans De Wever 1981 radiolarian | |
? Sethocapsa orca, Sethocapsa trachyostraca, Sethocapsa dorysphaeroides, Sethocapsa aff. kaminogoensis, Sethocapsa leiostraca
? Sethocapsa orca radiolarian
Sethocapsa trachyostraca Foreman 1973 radiolarian
Sethocapsa dorysphaeroides Neviani 1900 radiolarian
Sethocapsa aff. kaminogoensis Aita 1986 radiolarian
Sethocapsa leiostraca Foreman 1973 radiolarian | |
Obesacapsula verbana Parona 1890 radiolarian | |
Parvicingula usotanensis, "Parvicingula ex gr. boesii" = Tethysetta boesii, Wrangellium columnum, Wrangellium puga, Mirifusus sensu lato dianae, Mirifusus dianae, Mirifusus chenodes, "Parvicingula cosmoconica" = Praeparvicingula cosmoconica
Parvicingula usotanensis radiolarian
"Parvicingula ex gr. boesii" = Tethysetta boesii Parona 1890 radiolarian
Wrangellium columnum radiolarian
Wrangellium puga Schaaf 1981 radiolarian
Mirifusus sensu lato dianae radiolarian
Mirifusus dianae radiolarian
Mirifusus chenodes Renz 1974 radiolarian
"Parvicingula cosmoconica" = Praeparvicingula cosmoconica Foreman 1973 radiolarian | |
Syringocapsa limatum Foreman 1973 radiolarian
Syringocapsa agolarium Foreman 1973 radiolarian | |
Archaeodictyomitra excellens Tan Sin Hok 1927 radiolarian
Thanarla pulchra Squinabol 1904 radiolarian | |
"Eucyrtis columbaria" = Eucyrtidium
"Eucyrtis columbaria" = Eucyrtidium radiolarian | |
"Stichomitra aff. asymbatos" = Xitus asymbatos Foreman 1968 radiolarian
? Xitus alievi Foreman 1973 radiolarian
Crolanium pythiae radiolarian
Crolanium "spp." Pessagno 1977 radiolarian | |
Pseudodictyomitra carpatica Lozyniak 1969 radiolarian | |
? Stylosphaera macroxiphus radiolarian | |
Pantanellium squinaboli Tan Sin Hok 1927 radiolarian
Pantanellium aff. cantuchapai Pessagno and MacLeod 1987 radiolarian
? Cecrops sexaspina radiolarian
Cecrops septemporatus Parona 1890 radiolarian | |
Archaeospongoprunum patricki Jud 1994 radiolarian | |
? Pseudoaulophacus florealis radiolarian
"Godia lenticulata" = Dactyliodiscus lenticulatus Jud 1994 radiolarian
Alievium helenae Schaaf 1981 radiolarian | |
Bistarkum irazuense, Deviatus sensu lato diamphidius, ? Angulobracchia portmanni, ? Angulobracchia sensu lato portmanni, ? Cyclastrum luminosum, ? Paronaella annemariae, ? Paronaella tubulata
Bistarkum irazuense radiolarian
Deviatus sensu lato diamphidius Foreman 1973 radiolarian
? Angulobracchia portmanni Baumgartner 1984 radiolarian
? Angulobracchia sensu lato portmanni Baumgartner 1984 radiolarian
? Cyclastrum luminosum radiolarian
? Paronaella annemariae radiolarian
? Paronaella tubulata Steiger 1992 radiolarian | |
? Bernoullius monoceros radiolarian | |
Dicroa periosa, Parvivacca magna, Acaeniotyle dentata, ? Acaeniotyle florea, ? Acaeniotyle glebulosa, Acaeniotyle umbilicata, "Acaeniotyle ex gr. diaphorogona" = Acastea diaphorogona
Dicroa periosa Foreman 1975 radiolarian
Parvivacca magna radiolarian
Acaeniotyle dentata radiolarian
? Acaeniotyle florea radiolarian
? Acaeniotyle glebulosa radiolarian
Acaeniotyle umbilicata Rüst 1898 radiolarian
"Acaeniotyle ex gr. diaphorogona" = Acastea diaphorogona Foreman 1973 radiolarian | |
Homoeoparonaella aff. irregularis radiolarian
Halesium biscutum radiolarian | |
Crucella bossoensis radiolarian
? Pseudocrucella elisabethae radiolarian | |
Ditrabs sansalvadorensis radiolarian
Archaeotritrabs gracilis Steiger 1992 radiolarian
Tritrabs sensu lato ewingi Pessagno 1977 radiolarian |