Ankaramanga (Jurassic of Madagascar)

Where: Madagascar (16.3° S, 47.3° E: paleocoordinates 24.4° S, 25.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Callovian (164.7 - 161.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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 98124: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Lytoceratidae
"Thysanolytoceras adeloides" = Lytoceras eudesianum adeloides
"Thysanolytoceras adeloides" = Lytoceras eudesianum adeloides Kudernatsch 1852 ammonite
 Ammonitida - Macrocephalitidae
Nothocephalites semilaevis
 Ammonitida - Schlotheimiidae
"Encycloceras encyclum" = Angulaticeras
"Encycloceras encyclum" = Angulaticeras ammonite
 Ammonitida - Perisphinctidae
"Grossouvria aff. calloviensis" = Choffatia, Choffatia baluchistanensis, Klematosphinctes aff. precursor, Kinkeliniceras aff. subwaageni, "Kinkeliniceras cf. discoideum" = Kinkeliniceras angygaster, "Kinkeliniceras catillus" = Kinkeliniceras angygaster, Obtusicostites obtusicosta, Subgrossouvria gudjinsirensis
"Grossouvria aff. calloviensis" = Choffatia ammonite
Choffatia baluchistanensis Noetling 1896 ammonite
"Kinkeliniceras cf. discoideum" = Kinkeliniceras angygaster Waagen 1875 ammonite
"Kinkeliniceras catillus" = Kinkeliniceras angygaster Waagen 1875 ammonite
Obtusicostites obtusicosta Waagen 1875 ammonite
Subgrossouvria gudjinsirensis Waagen 1875 ammonite
 Ammonitida - Oppeliidae
"Sublunuloceras aff. dynastes" = Hecticoceras (Sublunuloceras)
"Sublunuloceras aff. dynastes" = Hecticoceras (Sublunuloceras) ammonite
 Belemnitida - Belemnopseidae
Belemnopsis calloviensis
Bivalvia
 Ostreida - Palaeolophidae
"Alectryonia gregarea" = Actinostreon gregareum
"Alectryonia gregarea" = Actinostreon gregareum Sowerby 1816 oyster
 Pectinida - Limidae
"Lima aff. strigillata" = Limea strigillata
"Lima aff. strigillata" = Limea strigillata Brocchi 1814 file clam
 Pectinida - Pectinoidae
"Eopecten aubryi" = Eopecten velatus
"Eopecten aubryi" = Eopecten velatus Goldfuss 1833 scallop
 Trigoniida - Trigoniidae
Trigonia elongata
 Pholadida - Ceratomyidae
Ceromya concentrica
Ceromya concentrica Sowerby 1825 clam
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
"Rhynchonella aff. badensis" = Praecyclothyris badensis
"Rhynchonella aff. badensis" = Praecyclothyris badensis Oppel 1858
 Terebratulida - Lissajousithyrididae
"Terebratula pelagica" = Pentithyris pelagica
"Terebratula pelagica" = Pentithyris pelagica Rollier 1918
 Terebratulida - Loboidothyrididae
"Terebratula quillyensis" = Ptyctothyris quillyensis
"Terebratula quillyensis" = Ptyctothyris quillyensis Bayle 1879
 Terebratulida - Terebratulidae
Terebratula lamberti
Terebratula lamberti Douville 1886