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

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