Also known as Gisement Collignon 4086b
Where: Toamasina, Madagascar (12.7° S, 49.4° E: paleocoordinates 22.2° S, 29.4° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Gracilisphinctes progracilis zone, Middle Bathonian (167.7 - 164.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified marl
Size class: macrofossils
Collected by Rerat in 1962
Primary reference: M. Collignon. 1963. Faunes fossiles nouvelles ou peu connues découvertes à Madagascar en 1961-1962. Comptes rendus de la Semaine géologique 1963: Semaine géologique de Madagascar 33:157-161 [P. Scofield/P. Scofield]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 234065: authorized by Paul Scofield, entered by Paul Scofield on 15.03.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Terebratula sp. Müller 1776 | |
Terebratula (Loboidothyris) aff. ingens Rollier 1918 | |
"Terebratula cf. acutiplicata" = Kutchithyris acutiplicata
"Terebratula cf. acutiplicata" = Kutchithyris acutiplicata Kitchin 1900 | |
"Rhynchonella rugosa" = Cryptorhynchia rugosa
"Rhynchonella rugosa" = Cryptorhynchia rugosa Kitchin 1900 | |
"Rhynchonella pseudoinconstans" = Torquirhynchia pseudoinconstans
"Rhynchonella pseudoinconstans" = Torquirhynchia pseudoinconstans Kitchin 1900 | |
Bivalvia | |
"Nucula (Palaeonucula) blanfordi" = Palaeonucula, "Nucula (Palaeonucula) khoraensis" = Palaeonucula, Nuculoma blakei
"Nucula (Palaeonucula) blanfordi" = Palaeonucula nut clam
"Nucula (Palaeonucula) khoraensis" = Palaeonucula nut clam
Nuculoma blakei nut clam | |
Trigonia prora clam | |
"Trigonia jumarensis" = Orthotrigonia jumarensis
"Trigonia jumarensis" = Orthotrigonia jumarensis Kitchin 1900 clam | |
"Pholadomya (Homomya) inornata" = Homomya inornata, Pholadomya lyrata
"Pholadomya (Homomya) inornata" = Homomya inornata Sowerby 1837 clam
Pholadomya lyrata clam | |
Megacucullaea sp. Rennie 1936 clam | |
Pseudolimea duplicata Sowerby 1814 file clam | |
Chlamys ambigua scallop | |
Cephalopoda | |
Holcophylloceras mediterraneum, Calliphylloceras disputabile, Phylloceras plicatissimum n. sp., Phylloceras kudernatschi, Partschiceras subobtusum, Ptychophylloceras saintoursi, Ptychophylloceras flabellatum
Holcophylloceras mediterraneum Neumayr 1871 ammonite
Calliphylloceras disputabile Zittel 1869 ammonite
Phylloceras plicatissimum n. sp. ammonite
Phylloceras kudernatschi Hauer 1854 ammonite
Partschiceras subobtusum ammonite
Ptychophylloceras saintoursi Collignon 1958 ammonite
Ptychophylloceras flabellatum Neumayr 1871 ammonite | |
| |
Micromphalites cf. saintoursi Collignon 1958 ammonite | |
"Thysanolytoceras adeloides" = Lytoceras eudesianum adeloides
"Thysanolytoceras adeloides" = Lytoceras eudesianum adeloides Kudernatsch 1852 ammonite | |
Sivajiceras sp., Choffatia aff. homaeomorpha, Wagnericeras rerati n. sp., "Procerites fullonicus" = Procerites, "Procerites aff. fullonicus" = Procerites, "Gracilisphinctes subtilicostatus n. sp." = Procerites, "Gracilisphinctes minimeumbilicatus n. sp." = Procerites, Gracilisphinctes arkelli, Gracilisphinctes lemoinei, Gracilisphinctes andranomantsyensis
Sivajiceras sp. ammonite
Choffatia aff. homaeomorpha ammonite
Wagnericeras rerati n. sp. ammonite
"Procerites fullonicus" = Procerites ammonite
"Procerites aff. fullonicus" = Procerites ammonite
"Gracilisphinctes subtilicostatus n. sp." = Procerites ammonite
"Gracilisphinctes minimeumbilicatus n. sp." = Procerites ammonite
Gracilisphinctes arkelli Collignon 1958 ammonite
Gracilisphinctes lemoinei Collignon 1958 ammonite
Gracilisphinctes andranomantsyensis Collignon 1958 ammonite | |
Gastropoda | |
"Ampullella sp." = Ampullina
"Ampullella sp." = Ampullina Férussac 1822 snail |