GC-801.20: Late/Upper Hauterivian, Italy

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Spumellaria - Angulobracchiidae
Bistarkum irazuense
Cyclastrum infundibuliforme
Cyclastrum rarum
? Cyclastrum trigonum
Deviatus diamphidius sensu lato (Foreman 1973)
? Paronaella annemariae
Paronaella trifoliacea Ozvoldova 1992
? Paronaella tubulata Steiger 1992
? Angulobracchia portmanni Baumgartner 1984
? Angulobracchia portmanni sensu lato Baumgartner 1984
Protozoa - Spumellaria - Hagiastridae
Crucella remanei
Crucella bossoensis
? Crucella inflexa
? Crucella planum
Crucella collina Jud 1994
Crucella aff. espartoensis Pessagno 1971
Savaryella guexi
? Pseudocrucella elisabethae
Protozoa - Spumellaria - Gomberellidae
? Bernoullius monoceros
Bernoullius spelae
Protozoa - Spumellaria - Patulibracchiidae
Homoeoparonaella speciosa
Homoeoparonaella aff. irregularis
Homoeoparonaella peteri
Halesium biscutum
? Halesium lineatum Jud 1994
Protozoa - Spumellaria - Parvivaccidae
Acaeniotyle dentata
? Acaeniotyle florea
Acaeniotyle umbilicata (Rüst 1898)
Acaeniotyle ex gr. diaphorogona Foreman 1973
recombined as Acastea diaphorogona
Dicroa periosa Foreman 1975
Parvivacca magna
Protozoa - Spumellaria - Pantanelliidae
Pantanellium squinaboli (Tan Sin Hok 1927)
Cecrops septemporatus (Parona 1890)
Protozoa - Spumellaria - Pseudoaulophacidae
? Pseudoaulophacus florealis
Godia lenticulata Jud 1994
recombined as Dactyliodiscus lenticulatus
Godia tecta
Alievium helenae Schaaf 1981
Protozoa - Spumellaria - Astrosphaeridae
? Hexapyramis precedis
Protozoa - Spumellaria - Spongodiscidae
? Stylospongia titirez
? Spongotripus satoi
Protozoa - Spumellaria - Archaeospongoprunidae
Archaeospongoprunum patricki Jud 1994
Protozoa - Spumellaria - Stylosphaeridae
? Stylosphaera macroxiphus
Protozoa - Spumellaria - Tritrabidae
Ditrabs sansalvadorensis
Tritrabs ewingi sensu lato (Pessagno 1977)
Archaeotritrabs gracilis Steiger 1992
Protozoa - Nassellaria - Archaeodictyomitridae
Thanarla gutta Jud 1994
Thanarla elegantissima (Cita 1964)
Thanarla pulchra (Squinabol 1904)
? Archaeodictyomitra lacrimula (Foreman 1973)
Archaeodictyomitra excellens (Tan Sin Hok 1927)
Archaeodictyomitra apiarium (Rüst 1885)
Dictyomitra pseudoscalaris
Protozoa - Nassellaria - Williriedellidae
Zhamoidellum testatum
Protozoa - Nassellaria - Sethocapsidae
? Sethocapsa orca
Sethocapsa aff. kaminogoensis Aita 1986
Sethocapsa uterculus (Parona 1890)
Sethocapsa trachyostraca Foreman 1973
Sethocapsa leiostraca Foreman 1973
Sethocapsa dorysphaeroides Neviani 1900
Protozoa - Nassellaria - Syringocapsidae
Syringocapsa aff. spinosa
Syringocapsa agolarium Foreman 1973
Syringocapsa limatum Foreman 1973
? Podocapsa imperialis
Dibolachras tytthopora
Protozoa - Nassellaria - Spongocapsulidae
Spongocapsula obesa
Protozoa - Nassellaria - Parvicingulidae
Parvicingula longa Jud 1994
recombined as Praeparvicingula longa
Mirifusus dianae sensu lato
Mirifusus dianae
Mirifusus odoghertyi
Mirifusus chenodes (Renz 1974)
Ristola asparagus
Ristola martae
Parvicingula ex gr. boesii (Parona 1890)
recombined as Tethysetta boesii
Pseudocrolanium cristatum
Pseudocrolanium fluegeli
Wrangellium columnum
Parvicingula usotanensis
Protozoa - Nassellaria - Xitidae
Crolanium pythiae
Xitus sandovali
? Xitus channelli
Xitus horridus
? Xitus alievi (Foreman 1973)
Xitus aff. spicularius (Aliev 1961)
Stichomitra aff. asymbatos Foreman 1968
recombined as Xitus asymbatos
Protozoa - Nassellaria - Eucyrtidiidae
Solenotryma ichikawai Matsuoka and Yao 1985
Eucyrtis columbaria
synonym of Eucyrtidium
Stichocapsa pulchella
Protozoa - Nassellaria - Pseudodictyomitridae
Pseudodictyomitra carpatica (Lozyniak 1969)
Protozoa - Entactinaria - Saturnalidae
Acanthocircus trizonalis sensu lato (Rüst 1898)
Acanthocircus variabilis (Squinabol 1914)
Protozoa - Xiphostylidae
Suna hybum
Suna echiodes (Foreman 1973)
Triactoma tihonianum
see common names

Geography
Country:Italy
Coordinates: 43.5° North, 12.7° East (view map)
Paleocoordinates:29.1° North, 18.8° East
Basis of coordinate:estimated from map
Geographic resolution:hand sample
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Hauterivian 10 m.y. bin:Cretaceous 2
Key time interval:Late/Upper Hauterivian
Age range of interval:132.60000 - 125.77000 m.y. ago
Stratigraphy
Formation:Maiolica
Local section:Gorgo-a-Cerbara
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified cherty/siliceous "limestone"
Environment:basinal (carbonate) Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original silica,replaced with silica
Size of fossils:microfossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:49141
Authorizer:T. Danelian Enterer:T. Danelian
Modifier:T. Danelian Research group:micropaleontology
Created:2005-04-10 00:40:24 Last modified:2005-04-10 03:40:24
Access level:the public Released:2005-04-10 00:40:23
Creative Commons license:CC BY
Reference information

Primary reference:
13135. 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]