Ambalarano (Jurassic of Madagascar)
Where: Madagascar (15.1° S, 48.0° E: paleocoordinates 23.8° S, 26.5° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Early/Lower Callovian (164.7 - 161.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified marl
Size class: macrofossils
Primary reference: H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 98096: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.09.2010, edited by Paul Scofield
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Cephalopoda | |
Choffatia aff. furcula Neumayr 1871 ammonite
Subgrossouvria blakei Spath 1931 ammonite | |
Indocephalites aff. transitorius ammonite
Macrocephalites formosus ammonite | |
Bivalvia | |
"Eopecten aubryi" = Eopecten velatus
"Eopecten aubryi" = Eopecten velatus Goldfuss 1833 scallop | |
"Pecten kachhensis" = Weyla kachhensis
"Pecten kachhensis" = Weyla kachhensis Cox 1952 scallop | |
"Alectryonia gregarea" = Actinostreon gregareum
"Alectryonia gregarea" = Actinostreon gregareum Sowerby 1816 oyster | |
Liostrea alimena oyster | |
Modiolus glendayi, "Modiolus imbricatus" = Modiolus (Modiolus) imbricatus
Modiolus glendayi mussel
"Modiolus imbricatus" = Modiolus (Modiolus) imbricatus Sowerby 1818 mussel | |
Mactromya cf. crassa Agassiz 1845 clam | |
"Ceromya substriata" = Ceratomya
"Ceromya substriata" = Ceratomya clam | |
Rhynchonellata | |
"Rhynchonella rugosa" = Cryptorhynchia rugosa
"Rhynchonella rugosa" = Cryptorhynchia rugosa Kitchin 1900 | |
"Terebratula acutiplicata" = Kutchithyris acutiplicata, "Terebratula propinqua" = Kutchithyris propinqua, "Terebratula aurata" = Kutchithyris propinqua
"Terebratula acutiplicata" = Kutchithyris acutiplicata Kitchin 1900
"Terebratula propinqua" = Kutchithyris propinqua Kitchin 1900
"Terebratula aurata" = Kutchithyris propinqua Kitchin 1900 | |
Polychaeta | |
"Serpula aff. gordialis" = Glomerula serpentina
"Serpula aff. gordialis" = Glomerula serpentina Schlotheim 1820 | |
Echinoidea | |
"Pygurus depressus" = Pygurus (Mepygurus) depressus
"Pygurus depressus" = Pygurus (Mepygurus) depressus Agassiz 1847 sea urchin | |
Pygaster joleaudi sea urchin |