Zaborski, P., M., P. (1982)
Campanian and Maastrichtian sphenodiscid ammonites of southern Nigeria
in Bulletin Natural History Museum London (Geol.) - 36 (4) - The Natural History Museum
- lien

Zaborski, P., M., P. (1985)
Upper Cretaceous ammonites from the Calabar region, south-east Nigeria
in Bulletin Natural History Museum London (Geol.) - Vol. 39, No 1 - The Natural History Museum
- lien

Zaborski, P., M., P. (1986)
Lower Cenomanian (Mid-Cretaceous) ammonites from south-east Nigeria
in Journal of African Sciences - Vol. 5, No. 4 - Pergamon Journals Ltd
- lien

Zaborski, P., M., P. (1987)
Lower Turonian (Cretaceous) ammonites from south-east Nigeria
in Bulletin Natural History Museum London (Geol.) - Vol 41, No 2 - The Natural History Museum
- lien

Zaborski, P., M., P. (1990)
Some Upper Cretaceous ammonites from southern Nigeria
in Journal of African Earth Sciences - Vol. 10, No 3 - Elsevier Science Ltd

Zaborski, P., M., P. (1990)
The Cenomanian and Turonian (mid-Cretaceous) ammonite biostratigraphy of north-eastern Nigeria
in Bulletin Natural History Museum London (Geol.) - Vol 46, No 1 - The Natural History Museum

Zaborski, P., M., P. (1993)
Some new and rare Upper Cretaceous ammonites from north-eastern Nigeria
in Journal of African Earth Sciences - Vol. 17, No. 3, pp. 359-371 - Elsevier Science Ltd

Zaborski, P., M., P. (1995)
The Upper Cretaceous ammonite Pseudaspidoceras Hyatt, 1903, in north-eastern Nigeria
in Bulletin Natural History Museum London (Geol.) - 51(1): pp 53-72 - The Natural History Museum

Zaborski, P., M., P. (1996)
The Upper Cretaceaous ammonite Vascoceras Choffat, 1898 in north-eastern Nigeria
in Bulletin Natural History Museum London (Geol.) - 52 (1) - The Natural History Museum

Zany, D., Atrops, F., Marchand, D. & Thierry, J. (1990)
Nouvelles données biostratigraphiques du Bathonien et du Callovien des environs de Digne (Alpes-de-Haute-Provence)
in Géologie Méditerranéenne - Tome XVII, n°1 - Centre d’Etudes Méditerranéennes

Zany, D., Mangold, C., Marchand, D. & Tréhour, M. (1995)
Biostratigraphie et stratigraphie séquentielle du Bajocien supérieur - Bathonien inférieur dans le Nivernais
in Géologie de la France - n°1 - 1995 - B.R.G.M. & S.G.F.
- lien

Zeiss, A. (1974)
Die Callovien-Ammoniten Athiopiens und ihre zoogeographische Stellung
in Paläontologische Zeitschrift - Vol. 48, Nb. 3-4 - Paläontologische Gesellschaft
- lien

Zeiss, A. (2003)
The Upper Jurassic of Europe: its subdivision and correlation
in Geological Survey of Denmark and Greenland Bulletin - 1 - Geological Survey of Denmark and Greenland (GEUS)
- lien

Ziegler, B. (1956)
Creniceras dentatum (Ammonitacea)
in Neues Jahrbuch für Geologie und Paläontologie - Monatshefte - Heft 1 - E. Schweizerbart’sche Verlagsbuchhandlung

Ziegler, B. (1972)
Artbildung bei Ammoniten der Gattung Aulacostephanus (Oberjura)
in Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - 127

Ziegler, B. (1979)
Über den Ammonites bidentosus QUENSTEDT
in Paläontologische Zeitschrift - Vol. 53, Nb. 3-4 - Paläontologische Gesellschaft
- lien