List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Plicatulopecten bohmi
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Gastropoda
- Naticidae
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Natica lassali
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Gastropoda
- Turritellidae
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Turritella sp.
Lamarck 1799
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Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea maresi
(Coquand 1880)
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| MISSPELT: Cucullea maresi | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea nicaisei
Coquand 1862
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| recombined as Nicaisolopha nicaisei | ||||||||||
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Bivalvia
- Pectinida
- Limidae
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Lima ellsworthi
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Lima shortani
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Lima grenieri
Coquand 1862
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| recombined as Lima (Plagiostoma) grenieri | ||||||||||
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Bivalvia
- Poromyida
- Poromyidae
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Liopistha aff. molli
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya qunuana
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Bivalvia
- Cardiida
- Cardiidae
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Cardium centralis
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Cardium pulchrum
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Bivalvia
- Cardiida
- Arcticidae
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Roudairia intermedia
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Cephalopoda
- Ammonitida
- Coilopoceratidae
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Coilopoceras lassali
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| MISSPELT: Coelopoceras lassali | ||||||||||
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Cephalopoda
- Ammonitida
- Collignoniceratidae
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Barroisiceras bruggeni
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Cephalopoda
- Ammonitida
- Tissotiidae
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Tissotia andii
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Tissotia roscheni
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Tissotia obesa
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Tissotia singewaldi
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Tissotia steimanni
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Tissotia halli
Knechtel 1947
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Tissotia fourneli
(Bayle 1849)
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Tissotia auressensis
Peron 1897
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| recombined as Metatissotia auressensis | ||||||||||
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Cephalopoda
- Ammonitida
- Sphenodiscidae
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Lenticeras gerhardti
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Lenticeras andii
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Lenticeras baltae
Lissón 1908
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| corrected as Lenticeras baltai | ||||||||||
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Paralenticeras sierverei
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Cephalopoda
- Ammonitida
- Acanthoceratidae
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Buchiceras bilobatum
Hyatt 1875
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Puzosia guadama
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Echinoidea
- Spatangoida
- Hemiasteridae
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Hemiaster fourneli
Agassiz and Dessor 1847
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| recombined as Mecaster fourneli | ||||||||||
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Hemiaster steinmanni
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| see common names | ||||||||||
Geography
| Country: | Peru |
| Coordinates: | 8.8° South, 74.5° West (view map) |
| Paleocoordinates: | 14.5° South, 51.9° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Stratigraphy
| Formation: | Chonta | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From the Chonta Fm, which overlies the Oriente Fm, and is overlain by the Vivian Fm. AGE: Turonian-Coniacian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation. | |||||
Lithology and environment
| Primary lithology: | black "shale" |
| Secondary lithology: | siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: LITHOLOGY: Shales and siltstones. LITHIFICATION: No basis to determine lithification. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | surface (in situ),survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: COLLECTOR: Probably Knetchtel and others. REPOSITORY: Unknown. | |
| Taxonomic list comments:COVERAGE: Comprehensive for ammonoids, bivalves, and other invertebrates groups; much diversity not reported, however. NOMENCLATURE: Not an authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications. | |
Metadata
| Database number: | 88672 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-04-17 19:21:29 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-04-17 19:21:29 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29745. | B. Kummel. 1948. Geological reconnaissance of the Contamana region, Peru. Geological Society America Bulletin 59:1217-1265 [A. Hendy/A. Hendy] |