Ambarimaninga (Cretaceous of Madagascar)
Where: Mahajanga, Madagascar (16.5° S, 46.0° E: paleocoordinates 40.3° S, 31.5° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Ambarimaninga Formation, Albian (113.0 - 100.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified marl
• associated fauna: ammonites and Toxaster
Size class: macrofossils
Collection methods: peel or thin section,
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 86497: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.02.2009, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Echinoidea | |
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| Malacostraca | |
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| Cephalopoda | |
"Phylloceras velledae" = Phylloceras (Hypophylloceras) velledae2
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Jauberticeras besairiei2, "Argonauticeras besairiei" = Argonauticeras belliseptatum2, "Eotetragonites umbilicostriatus" = Eogaudryceras (Eotetragonites) umbilicostriatus2, Gaudryceras shimizui2, "Paragaudryceras sakalavum" = Anagaudryceras2, Kossmatella aff. marut2
"Eotetragonites umbilicostriatus" = Eogaudryceras (Eotetragonites) umbilicostriatus2 Collignon 1949 ammonite | |
"Brancoceras cf. aegoceratoides" = Eubrancoceras aegoceratoides2
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Moretella dubia2, Moretella moreti2, Moretella balmensiformis2, Moretella ambigua2, Moretella subquadrata2, Moretella undata2, Moretella aff. jachromensis2, Lemuroceras aburense2, Lemuroceras spathi2, Lemuroceras indicum2, Lemuroceras subindicum2, Lemuroceras crassum2, Lemuroceras ambarimaningaense2, Lemuroceras sitampikyense2, Lemuroceras besairiei2, Lemuroceras transiens2, Cleoniceras madagascariense2
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"Brancoceras humile" = Parabrancoceras humile2, "Brancoceras rotundatum" = Parabrancoceras rotundatum2, "Brancoceras aenigmaticum" = Parabrancoceras aenigmaticum2, "Brancoceras besairiei" = Parabrancoceras besairiei2, "Brancoceras capricornusimile" = Parabrancoceras capricornusimile2, "Brancoceras compressum" = Parabrancoceras compressum2, "Brancoceras carinatum" = Brancoceras (Brancoceras) carinatum2, "Brancoceras cf. helcion" = Brancoceras (Brancoceras) helcion2
"Brancoceras cf. helcion" = Brancoceras (Brancoceras) helcion2 Reynes 1876 ammonite misspelled as B. cf. helcyon
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Sonneratia aff. tenuis2, Pseudosonneratia aff. steinmanni2, Pseudosonneratia ambigua2, Pseudosonneratia balmensiformis2, Pseudosonneratia madagascariensis2, Pseudosonneratia sakalava2, Pseudosonneratia subiserensis2
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"Beudanticeras albense" = Roberticeras albense2, "Beudanticeras hourcqi" = Roberticeras hourcqi2, Uhligella dubia2, Uhligella balmensis2, Puzosia quenstedti2, "Desmoceras latidorsatum" = Desmoceras (Desmoceras) latidorsatum2
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"Ephamulina arctuata" = Epanisoceras2
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Douvilleiceras benonae2, Douvilleiceras aff. inaequinodum2, "Douvilleiceras mamillatum" = Douvilleiceras mammillatum2, "Douvilleiceras pseudinaequinodum" = Douvilleiceras variabile2, Douvilleiceras monile2
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"Idiohamites aff. dorsetensis" = Mariella dorsetensis2
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Metahamites gignouxi2, Metahamites spathi2, Metahamites aff. sablieri2, Metahamites besairiei2, Anisoceras trituberculatum2, Protanisoceras breistrofferi2, Protanisoceras hourcqi2, Protanisoceras superbum2, Protanisoceras besairiei2
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| Gastropoda | |
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"Gyrodes aff. tenellus" = Gyrodes (Gyrodes) tenellus2
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"Solarium basseae" = Trochus (Solarium)2
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| Bivalvia | |
"Modiola recta" = Modiolatus rectus2, "Modiola rotundata" = Modiolus2, "Modiola subcapitata" = Modiolus2, "Modiola roedereri" = Modiolus2
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"Trigonoarca aff. elongata" = Trigonarca2
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Panopea gurgitis2, Panopea carteroni2, Panopea triangula2, Panopea submandibula2, Panopea inaequivalvis2, Panopea intermedia2
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| Rhynchonellata | |
"Terebratula obesa" = Concinnithyris obesa2
"Terebratula obesa" = Concinnithyris obesa2 Sowerby 1823 | |
| Polychaeta | |
"Serpula gordialis" = Glomerula serpentina2
"Serpula gordialis" = Glomerula serpentina2 Schlotheim 1820 | |
| Anthozoa | |
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Stylocyathus crassiseptus n. sp., Trochocyathus sp.1, "Protrochocyathus subarcuatus n. sp." = Trochocyathus subarcuatus, Trochocyathus antsiranensis1, "Paratrochocyathus collignoni n. gen. n. sp." = Trochocyathus collignoni
Stylocyathus crassiseptus n. sp. Alloiteau 1958 stony coral
"Protrochocyathus subarcuatus n. sp." = Trochocyathus subarcuatus Alloiteau 1958 stony coral
"Paratrochocyathus collignoni n. gen. n. sp." = Trochocyathus collignoni Alloiteau 1958 stony coral | |
Aplopsammia collignoni n. gen. n. sp., Calostylopsis sakalavensis n. gen. n. sp.
Aplopsammia collignoni n. gen. n. sp. Alloiteau 1958 stony coral
Calostylopsis sakalavensis n. gen. n. sp. Alloiteau 1958 stony coral | |