Ranonda-Anontsy: Albian, Madagascar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Holasteroida
- Holasteridae
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Holaster sp.
Agassiz 1836
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Echinoidea
- Spatangoida
- Hemiasteridae
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Hemiaster sp.
Agassiz and Desor 1847
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Rhynchonellata
- Terebratulida
- Terebratulidae
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Terebratula diphimorpha
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Rhynchonellata
- Terebratulida
- Gibbithyrididae
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Terebratula obesa
Sowerby 1823
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Cephalopoda
- Ammonitida
- Anisoceratidae
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Metahamites octosignatus
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Metahamites problematicus
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Cephalopoda
- Ammonitida
- Turrilitidae
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Ostlingoceras puzosi
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Paraturrilites dubourdieui
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Cephalopoda
- Ammonitida
- Douvilleiceratidae
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Douvilleiceras inaequinodum
(Quenstedt 1849)
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Douvilleiceras mamillatum
(Schlotheim 1813)
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Douvilleiceras albense
Spath 1923
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Cephalopoda
- Ammonitida
- Labeceratidae
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Ellipsoceras expansum
Collignon 1950
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Ammonoceratites mahadeva
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Lytoceras mahafalense
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Puzosia aff. mayori
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Puzosia paronae
Kilian 1900
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Puzosia quenstedti
(Parona and Bonarelli 1897)
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| var. media | ||||||||||
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Latidorsella latidorsata
(Michelin 1838)
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Cephalopoda
- Ammonitida
- Silesitidae
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Neosilesites ampakabense
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Cephalopoda
- Ammonitida
- Protetragonitidae
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Hemitetragonites cf. crebrisulcatus
(Uhlig 1883)
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Hemitetragonites strangulatus
(d'Orbigny 1840)
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Cephalopoda
- Ammonitida
- Tetragonitidae
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Jaubertella jauberti
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Jaubertella latecarinatum
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Tetragonites rectangulus
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Tetragonites timotheanus
(Pictet 1847)
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Tetragonites subtimotheanus
Wiedmann 1962
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Tetragonites aff. nautiloides
(Pictet 1848)
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Zelandites odiensis
(Kossmat 1895)
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Gaudryceras cf. sacya
(Forbes 1846)
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Paragaudryceras coagmentatum
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Gaudryceras madraspatanum
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Gaudryceras (Anagaudryceras) aff. utaturense
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Gaudryceras stefaninii
(Venzo 1936)
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Lytoceras belliseptatum
Anthula 1899
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Cephalopoda
- Ammonitida
- Lyelliceratidae
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Tegoceras (Rauliniceras) seunesi
(Parona and Bonarelli 1896)
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Cephalopoda
- Ammonitida
- Brancoceratidae
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Pervinquieria inflata
(Sowerby 1818)
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Deiradoceras besairiei
Collignon 1950
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Pervinquieria pachys
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Phyllopachyceras betiokyense
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Phylloceras (Hyporbulites) seresitense
(Pervinquière 1907)
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| see common names | ||||||||||
Geography
| Country: | Madagascar |
| Coordinates: | 23.7° South, 44.3° East (view map) |
| Paleocoordinates: | 47.1° South, 27.7° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | ||
| Age range of interval: | 113 - 100.5 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified argillaceous sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 98264 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2010-09-29 00:42:14 | Last modified: | 2010-09-29 03:42:14 |
| Access level: | the public | Released: | 2010-09-29 00:42:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 8015. | PGAP 1022 | H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees] |