Antsalova (Jurassic of Madagascar)

Where: Madagascar (18.7° S, 44.7° E: paleocoordinates 27.2° S, 21.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kimmeridgian (157.3 - 152.1 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 98167: authorized by Wolfgang Kiessling, entered by Uta Merkel on 22.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Phylloceratida - Phylloceratidae
 Ammonoidea -
Aptychus (Laevaptychus) sp. von Meyer 1861 ammonite
 Ammonitida - Aspidoceratidae
Aspidoceras longispinum Sowerby 1825 ammonite
var. antsalovensis
Aspidoceras iphiceroides Waagen 1875 ammonite
 Ammonitida - Perisphinctidae
"Discosphinctes ardesicus" = Perisphinctes (Discosphinctes) ammonite
var. rigide and constricta
"Dichotomoceras aff. predivisum" = Perisphinctes (Dichotomoceras) predivisum Spath 1931 ammonite
"Dichotomosphinctes roubyanus" = Perisphinctes (Dichotomosphinctes) ammonite
Pachysphinctes major Spath 1931 ammonite
 Ammonitida - Ataxioceratidae
Katroliceras pottingeri Sowerby 1840 ammonite
 Ammonitida - Himalayitidae
 Ammonitida - Oppeliidae
Streblites pictus Hyatt 1900 ammonite
var. antsalovensis
"Taramelliceras pseudoflexuosum" = Taramelliceras compsum Oppel 1863 ammonite
 Ammonoidea -
"Aptychus (Lamellaptychus) aff. punctatus" = Punctaptychus punctatus
"Aptychus (Lamellaptychus) aff. punctatus" = Punctaptychus punctatus Voltz 1837 ammonoid aptychus