Also known as Collignon gisement 473
Where: Atsimo-Andrefana, Madagascar (23.1° S, 44.4° E: paleocoordinates 29.6° S, 17.9° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Dichotomosphinctes Wartae et Proscaphites Anar (niveau supérieur) ammonoid zone, Late/Upper Oxfordian (161.2 - 155.7 Ma)
• Middle Argovian
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified marl
Size class: macrofossils
Collected by M. Collignon in 1957
Primary reference: M. Collignon. 1959. Atlas des fossiles caractéristiques de Madagascar (ammonites) - Fascicule IV (Argovien - Rauracien). XLVII-XCV [P. Scofield/P. Scofield/P. Scofield]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 234238: authorized by Paul Scofield, entered by Paul Scofield on 22.03.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
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Lissoceras erato d'Orbigny 1850 ammonite | |
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Prososphinctes sagitta, Perisphinctes (Pachyplanulites) roedereri n. sp., "Liosphinctes linki" = Perisphinctes (Liosphinctes), Perisphinctes (Arisphinctes) cf. trifidus, "Alligaticeras aff. polymorphum" = Perisphinctes (Arisphinctes) polymorphus, Kranaosphinctes (Pachyplanulites) behieri, Kranaosphinctes (Pachyplanulites) poissoni n. sp., Kranaosphinctes (Pachyplanulites) randrianarivonyi n. sp., Kranaosphinctes (Pachyplanulites) praeevolutus, "Kranaosphinctes (Pachyplanulites) nerunaensis" = Perisphinctes (Kranaosphinctes) nerunaensis, "Discosphinctes jelskii" = Perisphinctes (Discosphinctes), "Discosphinctes tintanti" = Perisphinctes (Discosphinctes), "Discosphinctes aeneas" = Perisphinctes (Discosphinctes), "Discosphinctes aff. schilli" = Perisphinctes (Discosphinctes), "Perisphinctes (Arisphinctes) rota" = Perisphinctes (Perisphinctes) indogermanus, "Dichotomosphinctes decaryi n. sp." = Perisphinctes (Dichotomosphinctes), "Orionoides lehmani n. sp." = Perisphinctes (Dichotomosphinctes) lehmani, Properisphinctes bernensis, Klematosphinctes perisphinctoides, Orionoides dardennei n. sp., Orionoides planissimus n. sp.
"Alligaticeras aff. polymorphum" = Perisphinctes (Arisphinctes) polymorphus Spath 1931 ammonite UBGD.010301, UBGD.010302
"Kranaosphinctes (Pachyplanulites) nerunaensis" = Perisphinctes (Kranaosphinctes) nerunaensis Spath 1931 ammonite UBGD.010310
"Perisphinctes (Arisphinctes) rota" = Perisphinctes (Perisphinctes) indogermanus Waagen 1875 ammonite n. ssp. fasciculata, var. constricta, UBGD.010281
"Orionoides lehmani n. sp." = Perisphinctes (Dichotomosphinctes) lehmani Collignon 1959 ammonite UBGD.010277
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Epimayaites subfalcoides, Epimayaites lemoinei, Epimayaites moreti n. sp., Epimayaites sublautus n. sp., Epimayaites aff. evolutus, Epimayaites falcoides, Epimayaites axonoides, "Prograyiceras furoni n. sp." = Paryphoceras
Epimayaites aff. evolutus Spath 1928 ammonite
"Prograyiceras furoni n. sp." = Paryphoceras ammonite | |
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