Microfauna, Term 1, Lower Albian, Koudiat el Beida, Tunisia (Cretaceous of Tunisia)

Where: Tunisia (36.6° N, 8.8° E: paleocoordinates 19.8° N, 11.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: fahdène Formation, Early/Lower Albian (112.0 - 109.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, gray limestone and poorly lithified, gray marl

• 150 meters of gray limestones interbeded with marls, and a thick bed of sandy dolomite

Size class: microfossils

Collection methods: bulk, sieve,

Primary reference: I. Zghal, R. Damotte, and H. Bismuth. 1996. Les ostracodes de l'Albien du Koudiat el Beida (J. Mrhila, Tunisie centrale). Revue de Micropaléontologie 39(1):67-90 [L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56812: authorized by Loic Villier, entered by Loic Villier on 26.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Nodosariata
 Nodosariida - Nodosariidae
Vaginulina sp. d'Orbigny 1826
noted Lenticulina (Vaginulina) sp.
Nodosaria sp. Lamarck 1812
Dentalina sp. d'Orbigny 1826
noted Lenticulina (Dentalina) sp.
 Vaginulinida - Lagenidae
 Vaginulinida - Vaginulinidae
Lenticulina sp. Lamarck 1804
noted Lenticulina (Lenticulina) sp.
 Polymorphinida - Polymorphinidae
Globulina sp. d'Orbigny 1839
Foraminifera
 Globigerinina - Favusellidae
 Globigerinina - Hedbergellidae
 Globigerinaceae - Heterohelicidae
Globothalamea
 Rotaliida - Discorbidae
Valvulineria sp. Cushman 1926
 Rotaliida - Gavelinellidae
Foraminifera
 Lituolida - Lituolidae
Textularia sp. Defrance 1824
  -
"Marginulina sp." = Cristellaria (Marginulina)
"Marginulina sp." = Cristellaria (Marginulina) d'Orbigny 1826
noted Lenticulina (Marginulina) sp.
 Globigerinoidea - Globigerinidae
"Hedbergella planispira" = Globigerina planispira
"Hedbergella planispira" = Globigerina planispira Tappan 1940
  -
Patellina sp. Williamson 1858
Ostracoda
 Platycopida - Cytherellidae
 Podocopida -
Nigeroloxoconcha sp. ostracod
noted Nigeroloxoconcha cf. N. gr. sp. 1 Vivière
Matronella lethiersi n. sp. ostracod
 Podocopida - Bythocytheridae
 Podocopida - Cytherettidae
 Podocopida - Cytheruridae
Eucytherura aff. costata ostracod
Eucytherura (Vesticytherura) aff. costata
 Podocopida - Trachyleberididae
Cythereis cf. phoenissa ostracod
Cythereis cf. phoenissa serotina
Rehacythereis zoumoffeni ostracod
Rehacythereis zoumoffeni diuturna
 Podocopida - Cytheridae
Neocythere nobilis, "Centrocythere denticulata" = Neocythere (Centrocythere), "Centrocythere mrhilaensis n. sp." = Neocythere (Centrocythere)
"Centrocythere denticulata" = Neocythere (Centrocythere) ostracod
"Centrocythere mrhilaensis n. sp." = Neocythere (Centrocythere) ostracod
 Podocopida - Schizocytheridae
 Podocopida - Bairdiidae
Bairdia sp. M'Coy 1844 ostracod
 Podocopida - Candonidae
Paracypris sp. Sars 1866 ostracod