Also known as Collignon gisement 19
Where: Madagascar (16.7° S, 46.5° E: paleocoordinates 25.6° S, 24.0° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Properisphinctes bernensis et Trimarginites villersensis ammonoid zone, Early/Lower Oxfordian (161.2 - 155.7 Ma)
• Trimarginites villersensis and Properisphinctes bernensis zone
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified marl and lithified limestone
Size class: macrofossils
Collected by M. Collignon in 1953
Primary reference: M. Collignon. 1959. Atlas des fossiles caractéristiques de Madagascar (Ammonites). Fascicule III (Oxfordian). Pl. XXXIV-XLVI [P. Scofield/P. Scofield]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 234136: authorized by Paul Scofield, entered by Paul Scofield on 20.03.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
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"Prososphinctes bernensis" = Properisphinctes bernensis, Prososphinctes claromontanus, "Prososphinctes mazuricus n. sp." = Prososphinctes consociatus, Prososphinctes trapezoidalis, Obtusicostites aff. devi, Obtusicostites retrorsicostatus n. sp.
"Prososphinctes mazuricus n. sp." = Prososphinctes consociatus Bukowski 1887 ammonite UBGD.010174, UBGD.010175
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Taramelliceras minax iabohazensis n. ssp., Campylites delmontanus ambongoensis n. ssp., Trimarginites villersensis ankirihitraensis n. ssp., Brightia noizeti n. sp.
Trimarginites villersensis ankirihitraensis n. ssp. Collignon 1959 ammonite UBGD.010164, UBGD.010165
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Phylloceras duodecimsulcatum n. sp.
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