Nadan, Oman, Na 14: Valanginian, Oman
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Protozoa
- Actinommidae
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Staurosphaera cf. amplissima
Foreman 1973
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1 individual | |||||||||
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Protozoa
- Entactinaria
- Saturnalidae
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Acanthocircus breviaculeatus
Donofrio and Mostler 1978
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1 individual | |||||||||
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Acanthocircus trizonalis
(Rüst 1898)
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3 individuals | |||||||||
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Acanthocircus dicranacanthos
Squinabol
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13 individuals | |||||||||
| recombined as Dicerosaturnalis dicranacanthos | ||||||||||
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Protozoa
- Entactinaria
- Hexastylidae
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Hexastylus uvarius
Rüst 1898
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1 individual | |||||||||
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Protozoa
- Xiphostylidae
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Suna echiodes
(Foreman 1973)
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1 individual | |||||||||
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Archaeocenosphaera ruesti
Pessagno et al. 1989
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2 individuals | |||||||||
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Protozoa
- Nassellaria
- Amphipyndacidae
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Amphipyndax obesa
(Squinabol 1903)
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2 individuals | |||||||||
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Protozoa
- Nassellaria
- Syringocapsidae
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Podobursa triacantha
(Fischli 1916)
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18 individuals | |||||||||
| ssp. polyacantha, ssp. triacantha (1), ssp. tetracantha (6) | ||||||||||
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Syringocapsa vicentina
(Squinabol 1914)
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1 individual | |||||||||
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Protozoa
- Nassellaria
- Spongocapsulidae
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Obesacapsula bullata
Steiger 1992
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3 individuals | |||||||||
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Obesacapsula verbana
(Parona 1890)
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8 individuals | |||||||||
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Obesacapsula rotunda
(Hinde 1900)
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3 individuals | |||||||||
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Obesacapsula cetia
(Foreman 1973)
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2 individuals | |||||||||
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Sethocapsa aff. cetia
Foreman 1973
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1 individual | |||||||||
| recombined as Obesacapsula cetia | ||||||||||
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Obesacapsula rusconensis
Baumgartner 1984
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1 individual | |||||||||
| [entered as Obesacapsula ruscoensis] | ||||||||||
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Protozoa
- Nassellaria
- Parvicingulidae
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Parvicingula dhimenaensis
Baumgartner 1984
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2 individuals | |||||||||
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Parvicingula ex gr. boesii
(Parona 1890)
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11 individuals | |||||||||
| recombined as Tethysetta boesii | ||||||||||
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Mirifusus mediodilatatus
(Rüst 1885)
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1 individual | |||||||||
| ssp. mediodilatatus | ||||||||||
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Praeparvicingula cosmoconica
(Foreman 1973)
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12 individuals | |||||||||
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Wrangellium depressum
(Baumgartner 1984)
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4 individuals | |||||||||
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Wrangellium puga
(Schaaf 1981)
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3 individuals | |||||||||
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Protozoa
- Nassellaria
- Sethocapsidae
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Sethocapsa leiostraca
Foreman 1973
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6 individuals | |||||||||
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Sethocapsa accincta
Steiger 1992
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1 individual | |||||||||
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Sethocapsa uterculus
(Parona 1890)
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4 individuals | |||||||||
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Sethocapsa ex gr. trachyostraca
Foreman 1973
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3 individuals | |||||||||
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Protozoa
- Nassellaria
- Williriedellidae
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Hemicryptocapsa capita
Tan Sin Hok 1927
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7 individuals | |||||||||
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Cryptamphorella conara
(Foreman 1968)
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4 individuals | |||||||||
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Holocrytocanium barbui
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1 individual | |||||||||
| original and current combination Holocryptocanium | ||||||||||
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Protozoa
- Nassellaria
- Hsuidae
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Hsuum mclaughlini
Pessagno and Blome 1984
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1 individual | |||||||||
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Protozoa
- Nassellaria
- Archaeodictyomitridae
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Archaeodictyomitra lacrimula
(Foreman 1973)
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1 individual | |||||||||
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Archaeodictyomitra apiarium
(Rüst 1885)
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4 individuals | |||||||||
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Archaeodictyomitra vulgaris
Pessagno 1977
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4 individuals | |||||||||
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Thanarla gutta
Jud 1994
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2 individuals | |||||||||
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Thanarla ex gr. brouweri
(Tan Sin Hok 1927)
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10 individuals | |||||||||
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? Thanarla aff. pulchra
(Squinabol 1904)
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3 individuals | |||||||||
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Thanarla elegantissima
(Cita 1964)
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1 individual | |||||||||
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Thanarla praeveneta
Pessagno 1977
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12 individuals | |||||||||
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Protozoa
- Nassellaria
- Ultranaporidae
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Napora durhami
(Pessagno 1977)
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1 individual | |||||||||
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Protozoa
- Nassellaria
- Poulpidae
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Saitoum cepeki
Schaaf 1981
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1 individual | |||||||||
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Protozoa
- Nassellaria
- Pseudodictyomitridae
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Pseudodictyomitra carpatica
(Lozyniak 1969)
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7 individuals | |||||||||
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Protozoa
- Nassellaria
- Xitidae
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Neorelumbra tippitae
Kiessling 1995
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1 individual | |||||||||
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Xitus cf. spicularius
(Aliev 1961)
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7 individuals | |||||||||
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Protozoa
- Spumellaria
- Archaeospongoprunidae
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Archaeospongoprunum cortinaensis
Pessagno 1973
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4 individuals | |||||||||
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Protozoa
- Spumellaria
- Pseudoaulophacidae
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Alievium helenae
Schaaf 1981
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1 individual | |||||||||
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Protozoa
- Spumellaria
- Hagiastridae
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Crucella cf. collina
Jud 1994
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1 individual | |||||||||
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Higumastra inflata
Baumgartner 1980
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2 individuals | |||||||||
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Protozoa
- Spumellaria
- Sponguridae
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Patellula aff. verteroensis
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2 individuals | |||||||||
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Protozoa
- Spumellaria
- Orbiculiformidae
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Orbiculiforma lowreyensis
Pessagno 1977
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1 individual | |||||||||
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Orbiculiforma ex gr. mclaughlini
Pessagno 1977
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1 individual | |||||||||
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Protozoa
- Spumellaria
- Spongodiscidae
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Stylospongia aff. longispina
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1 individual | |||||||||
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Protozoa
- Spumellaria
- Tritrabidae
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Tritrabs ewingi
(Pessagno 1977)
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12 individuals | |||||||||
| ssp. ewingi | ||||||||||
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Protozoa
- Spumellaria
- Parvivaccidae
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Acastea diaphorogona
(Foreman 1973)
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12 individuals | |||||||||
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Acaeniotyle umbilicata
(Rüst 1898)
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62 individuals | |||||||||
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Protozoa
- Spumellaria
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Tetrarectangulum poratum
Steiger 1992
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1 individual | |||||||||
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Tetrarectangulum spinosum
Steiger 1992
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2 individuals | |||||||||
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Protozoa
- Spumellaria
- Pantanelliidae
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Pantanellium fischeri
(Pessagno 1973)
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3 individuals | |||||||||
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Pantanellium riedeli
Pessagno 1977
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11 individuals | |||||||||
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Pantanellium squinaboli
(Tan Sin Hok 1927)
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40 individuals | |||||||||
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Protozoa
- Spumellaria
- Angulobracchiidae
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? Angulobracchia portmanni
Baumgartner 1984
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7 individuals | |||||||||
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Angulobracchia heteroporata
Steiger 1992
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2 individuals | |||||||||
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Paronaella cf. solanoensis
Pessagno 1971
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3 individuals | |||||||||
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Deviatus diamphidius
(Foreman 1973)
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3 individuals | |||||||||
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Protozoa
- Spumellaria
- Patulibracchiidae
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Halesium lineatum
Jud 1994
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3 individuals | |||||||||
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Protozoa
- Spumellaria
- Emiluviidae
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Emiluvia pessagnoi
Foreman 1973
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2 individuals | |||||||||
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Emiluvia chica
Foreman 1973
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35 individuals | |||||||||
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Protozoa
- Spumellaria
- Pyramispongiidae
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Nodotetraedra barmsteinensis
Steiger 1992
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1 individual | |||||||||
| recombined as Pyramispongia barmsteinensis | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Oman |
| Coordinates: | 23.0° North, 57.1° East (view map) |
| Paleocoordinates: | 9.0° South, 43.6° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | hand sample |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Valanginian | ||
| Age range of interval: | 139.80000 - 132.60000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | gray lithified cherty/siliceous wackestone | ||
| Includes fossils? | Y | ||
| Lithology description: Cherty limestones | |||
| Environment: | basinal (carbonate) | Tectonic setting: | deep ocean basin |
Taphonomy
| Modes of preservation: | body,original silica,replaced with calcite |
| Size of fossils: | microfossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | bulk,chemical,hydrochloric,sieve,field collection | ||
| Minimum sieve size: | 0.062 | Maximum sieve size: | 0.750 |
| Rock censused: | 9 g | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Taxonomic list comments:Radiolarians only | |||
Metadata
| Database number: | 47179 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling |
| Modifier: | W. Kiessling | Research group: | micropaleontology |
| Created: | 2005-02-16 09:56:58 | Last modified: | 2005-03-02 02:09:52 |
| Access level: | the public | Released: | 2005-02-16 09:56:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 12583. | W. Kiessling. 1995. Palökologische Verwertbarkeit oberjurassisch-unterkretazischer Radiolarienfaunen mit Beispielen aus Antarktis, Oman und Südalpen. Unpublished Ph.D. University of Erlangen, Germany 1-465 [W. Kiessling/W. Kiessling/W. Kiessling] |