Bedoa (Befandriana Sud) (Jurassic of Madagascar)

Also known as Hitz gisement Ba7, Ba10 & Ba11, Collignon gisement 567

Where: Atsimo-Andrefana, Madagascar (22.0° S, 44.3° E: paleocoordinates 29.3° S, 18.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dichotomosphinctes Wartae et Proscaphites Anar (niveau inférieur) ammonoid zone, Late/Upper Oxfordian (161.2 - 155.7 Ma)

• Middle Argovian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, argillaceous limestone

Size class: macrofossils

Collected by P. Hirtz, M. Collignon in 1949 & 1952

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 234262: authorized by Paul Scofield, entered by Paul Scofield on 23.03.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Perisphinctidae
"Dichotomoceras cliqueti n. sp." = Perisphinctes (Dichotomoceras), "Dichotomoceras rabenjanaharyi n. sp." = Perisphinctes (Dichotomoceras), "Dichotomoceras quadratum n. sp." = Perisphinctes (Dichotomoceras), "Dichotomoceras umbilicatum n. sp." = Perisphinctes (Dichotomoceras), "Dichotomoceras sparsicostatum n. sp." = Perisphinctes (Dichotomoceras) sparsicostatum, "Dichotomosphinctes stenocycloides" = Perisphinctes (Dichotomoceras) stenocycloides, "Kranaosphinctes subbullingdonensis n. sp." = Perisphinctes (Kranaosphinctes), "Dichotomosphinctes martini n. sp." = Perisphinctes (Dichotomosphinctes), "Dichotomosphinctes rotoides" = Perisphinctes (Dichotomosphinctes), Dichotomosphinctes wartae, Alligaticeras cf. jooraense, Idoceras (Praeidoceras) madagascariense n. sp., Prososphinctes hirtzi n. sp.
"Dichotomoceras cliqueti n. sp." = Perisphinctes (Dichotomoceras) ammonite
UBGD.010286
"Dichotomoceras rabenjanaharyi n. sp." = Perisphinctes (Dichotomoceras) ammonite
UBGD.010288
"Dichotomoceras quadratum n. sp." = Perisphinctes (Dichotomoceras) ammonite
UBGD.010293
"Dichotomoceras umbilicatum n. sp." = Perisphinctes (Dichotomoceras) ammonite
UBGD.010291
"Dichotomoceras sparsicostatum n. sp." = Perisphinctes (Dichotomoceras) sparsicostatum Collignon 1959 ammonite
UBGD.010294
"Dichotomosphinctes stenocycloides" = Perisphinctes (Dichotomoceras) stenocycloides Siemiradzki 1898 ammonite
UBGD.010291
"Kranaosphinctes subbullingdonensis n. sp." = Perisphinctes (Kranaosphinctes) ammonite
UBGD.010289
"Dichotomosphinctes martini n. sp." = Perisphinctes (Dichotomosphinctes) ammonite
UBGD.010283
"Dichotomosphinctes rotoides" = Perisphinctes (Dichotomosphinctes) ammonite
UBGD.010287
Dichotomosphinctes wartae Bukowski 1887 ammonite
n. ssp. bedoensis, UBGD.010281
Alligaticeras cf. jooraense ammonite
UBGD.010284
Idoceras (Praeidoceras) madagascariense n. sp. ammonite
UBGD.010285
Prososphinctes hirtzi n. sp. ammonite
UBGD.010292
 Ammonitida - Sphaeroceratidae
Epimayaites axonoides, Paryphoceras badiense, Mayaites piveteaui n. sp., Mayaites hirtzi n. sp.
Epimayaites axonoides Spath 1928 ammonite
UBGD.010261
Paryphoceras badiense Spath 1928 ammonite
UBGD.010315
Mayaites piveteaui n. sp. ammonite
UBGD.010259
Mayaites hirtzi n. sp. ammonite
UBGD.010260