Mokaraha (Cretaceous to of Madagascar)

Where: Mahajanga, Madagascar (16.3° S, 45.5° E: paleocoordinates 39.6° S, 32.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Albian to Middle Albian (109.0 - 99.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified marl

Size class: macrofossils

Primary reference: J. Alloiteau. 1958. Monographie des madreporaires fossiles de Madagascar [Monograph of fossil corals from Madagascar]. Annales Geologiques de Madagascar 25:1-218 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86506: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.02.2009, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Sedentaria
 Sabellida - Serpulidae
Serpula conjuncta, "Serpula ootatoorensis" = Parsimonia ootatoorensis
"Serpula ootatoorensis" = Parsimonia ootatoorensis Stoliczka 1873
Bivalvia
 Nuculida - Nuculidae
Nucula hourcqi, Nucula ovata
Nucula ovata Phillips 1841 nut clam
 Pectinida - Pectinoidae
"Velopecten madagascariensis" = Eopecten
"Velopecten madagascariensis" = Eopecten scallop
 Pectinida - Plicatulidae
Plicatula cf. radiola, Plicatula cf. reynesi
Cephalopoda
 Phylloceratida - Phylloceratidae
Phylloceras seresitense
Phylloceras seresitense Pervinquière 1907 ammonite
 Ammonitida - Tetragonitidae
"Paragaudryceras mokarahaense" = Anagaudryceras
"Paragaudryceras mokarahaense" = Anagaudryceras ammonite
 Ammonitida - Desmoceratidae
Puzosia androiavensis, Puzosia decemsulcata
 Ammonitida - Brancoceratidae
"Deiradoceras praerostatum" = Mortoniceras (Deiradoceras), "Deiradoceras (Mimoceras) mokarahense" = Mortoniceras (Deiradoceras), Deiradoceras aff. cunningtoni, "Deiradoceras cf. exile" = Mortoniceras (Deiradoceras) exile, "Deiradoceras besairiei" = Mortoniceras (Deiradoceras) bispinosum, "Deiradoceras fibulatum" = Mortoniceras (Deiradoceras) bispinosum, Hysteroceras cf. subbinum
"Deiradoceras praerostatum" = Mortoniceras (Deiradoceras) ammonite
"Deiradoceras (Mimoceras) mokarahense" = Mortoniceras (Deiradoceras) ammonite
Deiradoceras aff. cunningtoni Spath 1933 ammonite
"Deiradoceras cf. exile" = Mortoniceras (Deiradoceras) exile van Hoepen 1941 ammonite
"Deiradoceras besairiei" = Mortoniceras (Deiradoceras) bispinosum Spath 1921 ammonite
"Deiradoceras fibulatum" = Mortoniceras (Deiradoceras) bispinosum Spath 1921 ammonite
Hysteroceras cf. subbinum Spath 1934 ammonite
 Ammonitida - Mojsisovicsiidae
Oxytropidoceras boulei, Oxytropidoceras aff. applanatum, Oxytropidoceras acutocarinatum
Oxytropidoceras aff. applanatum Collignon 1936 ammonite
Oxytropidoceras acutocarinatum Shumard 1853 ammonite
 Ammonitida - Labeceratidae
"Abadieceras altissimus" = Myloceras, "Ellipsoceras expansum" = Myloceras (Ellipsoceras) expansum, Labeceras hourcqi, Labeceras crassicostatum
"Abadieceras altissimus" = Myloceras ammonite
"Ellipsoceras expansum" = Myloceras (Ellipsoceras) expansum Collignon 1950 ammonite
Labeceras crassicostatum Collignon 1962 ammonite
 Ammonitida - Anisoceratidae
Metahamites gignouxi
 Nautilida - Nautilidae
Cymatoceras subalbense
Gastropoda
 Trochoidea - Turbinidae
Semisolarium loryi
 Cerithioidea - Turritellidae
Mesalia ervyna, Mesalia tecta
Mesalia ervyna turret shell
Mesalia tecta turret shell
Anthozoa
 Scleractinia - Actinastreidae
Actinastrea hourcqi n. sp.
Actinastrea hourcqi n. sp. Alloiteau 1958 stony coral