Ambarimaninga: Albian, Madagascar

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Scleractinia - Caryophylliidae
Protrochocyathus sp. Alloiteau 1958
    = Trochocyathus sp. Milne-Edwards and Haime 1848
Baron-Szabo 2009
Paratrochocyathus collignoni n. gen., n. sp. Alloiteau 1958
recombined as Trochocyathus collignoni
Protrochocyathus subarcuatus n. sp. Alloiteau 1958
recombined as Trochocyathus subarcuatus
Protrochocyathus madagascariensis n. gen., n. sp. Alloiteau 1958
    = Trochocyathus antsiranensis Collignon 1931
Baron-Szabo 2009
Paratrochocyathus arcotensis
    = Trochocyathus antsiranensis Collignon 1931
Baron-Szabo 2009
Stylocyathus crassiseptus n. sp. Alloiteau 1958
Anthozoa - Scleractinia - Guyniidae
Paratrochocyathus crassus n. sp. Alloiteau 1958
    = Palaeopsammia complanata
Baron-Szabo 2009
Anthozoa - Scleractinia - Dendrophylliidae
Calostylopsis sakalavensis n. gen., n. sp. Alloiteau 1958
Aplopsammia collignoni n. gen., n. sp. Alloiteau 1958
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster zululandensis Besairie and Lambert 1930
Besairie and Collignon 1972
Echinoidea - Spatangoida - Spatangidae
Epiaster jeanneti
Besairie and Collignon 1972
Epiaster besairiei
Besairie and Collignon 1972
Echinoidea - Spatangoida - Toxasteridae
Toxaster gaudryi
Besairie and Collignon 1972
Toxaster sp. Agassiz 1839
Besairie and Collignon 1972
Douvillaster hourcqi
Besairie and Collignon 1972
Echinoidea - Pseudodiadematidae
Tetragramma hourcqi
Besairie and Collignon 1972
Polydiadema wiltshirei
Besairie and Collignon 1972
Gastropoda - Heterostropha - Ringiculidae
Ringinella hourcqi
Besairie and Collignon 1972
Ringinella lacryma
Besairie and Collignon 1972
Gastropoda - Pleurotomariidae
Leptomaria magneti Collignon 1949
Besairie and Collignon 1972
Gastropoda - Discohelicidae
Delpeya cottreaui Collignon 1949
Besairie and Collignon 1972
Gastropoda - Eucyclidae
Euchelus lenoblei
Besairie and Collignon 1972
Gastropoda - Trochidae
Solarium basseae
Besairie and Collignon 1972
spelled with current rank as Trochus (Solarium)
Gastropoda - Aporrhaidae
Perissoptera besairiei
Besairie and Collignon 1972
Gastropoda - Neogastropoda - Conidae
Conus primitivus
Besairie and Collignon 1972
Gastropoda - Naticidae
Gyrodes aff. tenellus Stoliczka 1868
Besairie and Collignon 1972
recombined as Gyrodes (Gyrodes) tenellus
Gastropoda - Tylostomatidae
Pterodonta besairiei
Besairie and Collignon 1972
Gastropoda - Planaxidae
Fossarus besairiei
Besairie and Collignon 1972
Gastropoda - Cerithiidae
Cerithium coxi
Besairie and Collignon 1972
Cerithium delpeyae
Besairie and Collignon 1972
Cerithium subspinosum
Besairie and Collignon 1972
Gastropoda - Metacerithiidae
Metacerithium aff. trimonile
Besairie and Collignon 1972
Gastropoda - Epitoniidae
Scala franciscae
Besairie and Collignon 1972
spelled with current rank as Epitonium (Scala)
Scala odilae
Besairie and Collignon 1972
spelled with current rank as Epitonium (Scala)
Cephalopoda - Nautilida - Nautilidae
Cymatoceras sakalavum Collignon 1949
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Douvilleiceratidae
Douvilleiceras benonae
Besairie and Collignon 1972
Douvilleiceras pseudinaequinodum Collignon 1963
Besairie and Collignon 1972
synonym of Douvilleiceras variabile
Douvilleiceras aff. inaequinodum (Quenstedt 1849)
Besairie and Collignon 1972
Douvilleiceras mamillatum (Schlotheim 1813)
Besairie and Collignon 1972
recombined as Douvilleiceras mammillatum
Douvilleiceras monile (Sowerby 1836)
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Hamitidae
Pictetia astieri
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Anisoceratidae
Protanisoceras breistrofferi
Besairie and Collignon 1972
Protanisoceras hourcqi
Besairie and Collignon 1972
Protanisoceras superbum
Besairie and Collignon 1972
Protanisoceras besairiei
Besairie and Collignon 1972
Anisoceras trituberculatum
Besairie and Collignon 1972
Ephamulina arctuata
Besairie and Collignon 1972
Metahamites gignouxi
Besairie and Collignon 1972
Metahamites spathi
Besairie and Collignon 1972
Metahamites aff. sablieri
Besairie and Collignon 1972
Metahamites besairiei
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Turrilitidae
Idiohamites aff. dorsetensis Spath 1926
Besairie and Collignon 1972
recombined as Mariella dorsetensis
Cephalopoda - Ammonitida - Silesitidae
Neosilesites madagascariensis
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Beudanticeratidae
Paracleoniceras ptychitiforme
Besairie and Collignon 1972
synonym of Aioloceras
Paracleoniceras besairiei (Collignon 1949)
Besairie and Collignon 1972
recombined as Aioloceras besairiei
Cephalopoda - Ammonitida - Desmoceratidae
Desmoceras latidorsatum (Michelin 1838)
Besairie and Collignon 1972
recombined as Desmoceras (Desmoceras) latidorsatum
Beudanticeras hourcqi Collignon 1949
Besairie and Collignon 1972
recombined as Roberticeras hourcqi
Beudanticeras albense Breistroffer 1947
Besairie and Collignon 1972
recombined as Roberticeras albense
Uhligella dubia
Besairie and Collignon 1972
Uhligella balmensis (Jacob 1908)
Besairie and Collignon 1972
Puzosia quenstedti (Parona and Bonarelli 1897)
Besairie and Collignon 1972
var. breistrofferi
Cephalopoda - Ammonitida - Hoplitidae
Pseudosonneratia aff. steinmanni
Besairie and Collignon 1972
Pseudosonneratia ambigua
Besairie and Collignon 1972
Pseudosonneratia balmensiformis
Besairie and Collignon 1972
Pseudosonneratia madagascariensis
Besairie and Collignon 1972
Pseudosonneratia sakalava
Besairie and Collignon 1972
Pseudosonneratia subiserensis
Besairie and Collignon 1972
Sonneratia aff. tenuis
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Brancoceratidae
Brancoceras cf. helcion (Reynes 1876)
Besairie and Collignon 1972
recombined as Brancoceras (Brancoceras) helcion
misspelled as B. cf. helcyon
Brancoceras carinatum Collignon 1949
Besairie and Collignon 1972
recombined as Brancoceras (Brancoceras) carinatum
Brancoceras humile Collignon 1949
Besairie and Collignon 1972
recombined as Parabrancoceras humile
Brancoceras rotundatum Collignon 1949
Besairie and Collignon 1972
recombined as Parabrancoceras rotundatum
Brancoceras aenigmaticum Collignon 1949
Besairie and Collignon 1972
recombined as Parabrancoceras aenigmaticum
Brancoceras capricornusimile Collignon 1949
Besairie and Collignon 1972
recombined as Parabrancoceras capricornusimile
Brancoceras compressum Collignon 1949
Besairie and Collignon 1972
recombined as Parabrancoceras compressum
Brancoceras besairiei Collignon 1949
Besairie and Collignon 1972
recombined as Parabrancoceras besairiei
Cephalopoda - Ammonitida - Lyelliceratidae
Brancoceras cf. aegoceratoides Steinmann 1881
Besairie and Collignon 1972
recombined as Eubrancoceras aegoceratoides
Cephalopoda - Ammonitida - Cleoniceratidae
Cleoniceras madagascariense
Besairie and Collignon 1972
Lemuroceras aburense
Besairie and Collignon 1972
Lemuroceras spathi
Besairie and Collignon 1972
Lemuroceras indicum
Besairie and Collignon 1972
Lemuroceras subindicum
Besairie and Collignon 1972
Lemuroceras crassum
Besairie and Collignon 1972
Lemuroceras ambarimaningaense
Besairie and Collignon 1972
Lemuroceras sitampikyense
Besairie and Collignon 1972
Lemuroceras besairiei
Besairie and Collignon 1972
Lemuroceras transiens
Besairie and Collignon 1972
Moretella dubia
Besairie and Collignon 1972
Moretella moreti
Besairie and Collignon 1972
Moretella balmensiformis
Besairie and Collignon 1972
Moretella ambigua
Besairie and Collignon 1972
Moretella subquadrata
Besairie and Collignon 1972
Moretella undata
Besairie and Collignon 1972
Moretella aff. jachromensis
Besairie and Collignon 1972
Cephalopoda - Ammonitida - Lytoceratidae
Ammonoceratites cf. mahadeva
Besairie and Collignon 1972
synonym of Lytoceras
Cephalopoda - Ammonitida - Tetragonitidae
Eotetragonites umbilicostriatus Collignon 1949
Besairie and Collignon 1972
recombined as Eogaudryceras (Eotetragonites) umbilicostriatus
Paragaudryceras sakalavum
Besairie and Collignon 1972
synonym of Anagaudryceras
Gaudryceras shimizui
Besairie and Collignon 1972
Kossmatella aff. marut (Stoliczka 1865)
Besairie and Collignon 1972
Jauberticeras besairiei
Besairie and Collignon 1972
Argonauticeras besairiei Collignon 1949
Besairie and Collignon 1972
synonym of Argonauticeras belliseptatum
Cephalopoda - Phylloceratida - Phylloceratidae
Phylloceras velledae (Michelin 1834)
Besairie and Collignon 1972
recombined as Phylloceras (Hypophylloceras) velledae
Bivalvia - Carditida - Astartidae
Opis hugardi
Besairie and Collignon 1972
Bivalvia - Lucinida - Lucinidae
Sphaera besairiei
Besairie and Collignon 1972
Bivalvia - Cardiida - Cardiidae
Protocardia sphaeroidea
Besairie and Collignon 1972
Bivalvia - Cardiida - Arcticidae
Veniella etheridgei
Besairie and Collignon 1972
var. rennei
Veniella lineolata
Besairie and Collignon 1972
Bivalvia - Cardiida - Anatinellidae
Anatina agassizi
Besairie and Collignon 1972
Bivalvia - Pholadida - Corbulidae
Corbula hourcqi
Besairie and Collignon 1972
Bivalvia - Hiatellida - Hiatellidae
Panopea gurgitis
Besairie and Collignon 1972
Panopea carteroni
Besairie and Collignon 1972
Panopea triangula
Besairie and Collignon 1972
Panopea submandibula
Besairie and Collignon 1972
Panopea intermedia (Sowerby 1814)
Besairie and Collignon 1972
Panopea inaequivalvis d'Orbigny 1843
Besairie and Collignon 1972
Bivalvia - Mytilida - Mytilidae
Modiola rotundata
Besairie and Collignon 1972
corrected as Modiolus
Modiola subcapitata
Besairie and Collignon 1972
corrected as Modiolus
Modiola roedereri
Besairie and Collignon 1972
corrected as Modiolus
Modiola recta Conrad 1837
Besairie and Collignon 1972
recombined as Modiolatus rectus
Bivalvia - Arcida - Glycymerididae
Trigonoarca aff. elongata
Besairie and Collignon 1972
original and current combination Trigonarca
Bivalvia - Arcida - Arcidae
Arca chavani
Besairie and Collignon 1972
Bivalvia - Ostreida - Gryphaeidae
Ostrea besairiei Collignon 1949
Besairie and Collignon 1972
recombined as Gyrostrea besairiei
Ostrea canaliculata Sowerby 1813
Besairie and Collignon 1972
recombined as Gryphaeostrea canaliculata
Bivalvia - Ostreida - Malleidae
Isognomon chavani
Besairie and Collignon 1972
Bivalvia - Ostreida - Pinnidae
Pinna dechazeauxae
Besairie and Collignon 1972
Bivalvia - Pectinida - Neitheidae
Neithea quinquecostata (Sowerby 1814)
Besairie and Collignon 1972
Neithea cf. aequicostata (Lamarck 1819)
Besairie and Collignon 1972
recombined as Neithea (Neithea) aequicostata
Bivalvia - Pectinida - Pectinidae
Prohinnites favrinus
Besairie and Collignon 1972
Polychaeta - Sabellida - Sabellidae
Serpula gordialis Schlotheim 1820
Besairie and Collignon 1972
recombined as Glomerula serpentina
Polychaeta - Sabellida - Serpulidae
Serpula conjuncta
Besairie and Collignon 1972
Serpula trachinus
Besairie and Collignon 1972
Serpula cotatoorensis
Besairie and Collignon 1972
Serpula aff. gamigensis
Besairie and Collignon 1972
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Rhynchonella cf. sulcata
Besairie and Collignon 1972
Rhynchonellata - Terebratulida - Terebratulidae
Terebratula subrotunda
Besairie and Collignon 1972
Terebratula diphimorpha
Besairie and Collignon 1972
Rhynchonellata - Terebratulida - Gibbithyrididae
Terebratula obesa Sowerby 1823
Besairie and Collignon 1972
recombined as Concinnithyris obesa
Malacostraca - Decapoda - Nephropidae
Palaeohomarus collignoni Van Stralen 1949
Besairie and Collignon 1972
see common names

Geography
Country:Madagascar State/province:Mahajanga
Coordinates: 16.5° South, 46.0° East (view map)
Paleocoordinates:40.3° South, 31.5° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Albian 10 m.y. bin:Cretaceous 4
Key time interval:Albian
Age range of interval:113.00000 - 100.50000 m.y. ago
Stratigraphy
Formation:Ambarimaninga
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified marl
Lithology description: associated fauna: ammonites and Toxaster
Environment:offshore indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:peel or thin section,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:86497
Authorizer:W. Kiessling Enterer:U. Merkel, W. Kiessling
Modifier:P. Wagner Research group:marine invertebrate
Created:2009-02-04 05:47:08 Last modified:2023-11-16 23:26:44
Access level:the public Released:2009-02-04 05:47:08
Creative Commons license:CC BY
Reference information

Primary reference:

29108. J. Alloiteau. 1958. Monographie des madreporaires fossiles de Madagascar [Monograph of fossil corals from Madagascar]. Annales Geologiques de Madagascar 25:1-218 [W. Kiessling/U. Merkel]

Secondary references:

30659 R. Baron-Szabo. 2009. Taxonomic opinions on Cretaceous corals. [W. Kiessling/W. Kiessling/W. Kiessling]
8015PGAP 1022H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees]