Ammonite Unit Cenomanian 3, Sergipe Basin: Middle Cenomanian - Late/Upper Cenomanian, Brazil
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Phymosomatidae
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Phymosoma riograndensis
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Echinoidea
- Diplopodiidae
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Pseudodiadema cf. macropygus
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| spelled with current rank as Diplopodia (Pseudodiadema) | ||||||||||
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Echinoidea
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Cottaldia benettiae
(Koenig 1825)
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Echinoidea
- Camarodonta
- Echinidae
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Psammechinus sp.
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus capulus
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Inoceramus sp.
Sowerby 1814
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra (Rhynchostreon) columba
Lamarck 1819
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| synonym of Rhynchostreon suborbiculatum | ||||||||||
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Exogyra (Costagyra) olisiponensis
(Sharpe 1850)
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| recombined as Costagyra olisiponensis | ||||||||||
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Exogyra africana
(Lamarck 1801)
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| recombined as Ilymatogyra africana | ||||||||||
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Bivalvia
- Pectinida
- Neitheidae
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Neithea hispanica
(Orbigny 1850)
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula auressensis
Coquand 1862
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| recombined as Plicatula (Plicatula) auressensis | ||||||||||
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Puzosia sp.
Bayle 1878
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Eucalycoceras pentagonum
(Jukes-Browne 1896)
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Thomelites aff. sornayi
(Porthault and Thomel 1966)
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Pseudocalycoceras harpax
(Stoliczka 1864)
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Acanthoceras aff. jukesbrownei
(Spath 1926)
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Metoicoceras geslinianum
(d'Orbigny 1841)
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Gastropoda
- Heterostropha
- Ringiculidae
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Ringinella pinguiscula
White 1887
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Gastropoda
- Turritellidae
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Turritella (Haustator) carregozica
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| spelled with current rank as Haustator | ||||||||||
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Gastropoda
- Aporrhaidae
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Pterocera (Dicroloma) aff. decussata
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| original and current combination Dicroloma | ||||||||||
| listed as Pterocera (Dicroloma?) aff. decussata | ||||||||||
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Chenopus (Drepanochilus) aff. costae
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| see common names | ||||||||||
Geography
| Country: | Brazil |
| Coordinates: | 10.8° South, 37.1° West (view map) |
| Paleocoordinates: | 17.4° South, 11.4° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | basin |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Middle Cenomanian - Late/Upper Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Formation: | Cotinguiba |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | shelly/skeletal "limestone" |
| Secondary lithology: | dolomitic,quartzose "limestone" |
| Lithology description: coquinoid limestone and quartzified dolomitic limestone | |
| Environment: | open shallow subtidal |
Taphonomy
| Modes of preservation: | cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: A total of 604 localities in the Segripe Basin has been sampled, though the occurences can't be assigend to a specific locality | |
Metadata
| Database number: | 140839 | ||
| Authorizer: | M. Aberhan | Enterer: | T. Schossleitner |
| Modifier: | T. Schossleitner | Research group: | marine invertebrate |
| Created: | 2013-03-18 21:00:11 | Last modified: | 2013-03-18 08:57:31 |
| Access level: | the public | Released: | 2013-03-18 21:00:11 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 45714. | P. Bengtson. 1983. The Cenomanian-Coniacian of Sergipe Basin, Brazil. Fossil and Strata (12)1-78 [M. Aberhan/T. Schossleitner] |