Ifrim, C. (2013)
Paleobiology and paleoecology of the early Turonian (Late Cretaceous) ammonite Pseudaspidoceras flexuosum
in Palaios - V. 28 - Society for Sedimentary Geology, Tulsa, OK 73145, U.S.A.
- lien

Ifrim, C. (2017)
A note on species identification in the genus Libycoceras Hyatt, 1900 (Ammonitina, Late Cretaceous)
in Cretaceous Research - 87 - Academic Press Inc. (London) / Elsevier
- lien

Ifrim, C., Bengtson, P. & Schweigert, G. (2018)
Growth and function of spines in Jurassic and Cretaceous ammonites
in Cretaceous Research - 88 - Academic Press Inc. (London) / Elsevier
- lien

Ifrim, C., Lara De La Cerda, J., E., Peña Ponce, V., H. & Stinnesbeck, W. (2017)
The Upper Campanian - lower Maastrichtian cephalopod fauna of Botellos, Nuevo León: a key to understand faunal turnover across the Campanian-Maastrichtian boundary in NE Mexico
in Acta Geologica Polonica - Vol. 67, No 1 - Université de Varsovie
- lien

Ifrim, C., Porras-Múzquiz, H. & Stinnesbeck, W. (2019)
Ammonoids, their biozonation and their palaeobiogeographic relation across the Turonian-Coniacian boundary in northern Coahuila, Mexico
in Cretaceous Research - 102 - Academic Press Inc. (London) / Elsevier
- lien

Ifrim, C. & Stinnesbeck, W. (2007)
Early Turonian ammonites from Vallecillo, north-eastern Mexico: taxonomy, biostratigraphy and palaeobiogeographical significance
in Cretaceous Research - 28 (2007) - Academic Press Inc. (London) / Elsevier

Ifrim, C. & Stinnesbeck, W. (2010)
Migration pathways of the late Campanian and Maastrichtian shallow facies ammonite Sphenodiscus in North America
in Palaeo (Palaeogeography, Palaeoclimatology, Palaeoecology) - 292 - Elsevier Science Ltd.
- lien

Ifrim, C. & Stinnesbeck, W. (2013)
Ammonoids from the Maastrichtian (Late Cretaceous) at El Zancudo, Nuevo Laredo, Tamaulipas, Mexico
in Boletín de la Sociedad Geológica Mexicana - Vol. 65, No. 1 - Sociedad Geológica Mexicana
- lien

Ifrim, C., Stinnesbeck, W., González González, A., H., Schorndorf, N. & Gale, A., S. (2021)
Ontogeny, evolution and palaeogeographic distribution of the world’s largest ammonite Parapuzosia (P.) seppenradensis (Landois, 1895)
in PLoS ONE - 16 (11) - Public Library of Science
- lien

Ifrim, C., Stinnesbeck, W. & Guadalupe López-Oliva, J. (2004)
Maastrichtian cephalopods from Cerralvo, North-Eastern Mexico
in Palaeontology - Vol. 47, part 6 - The Palaeontological Association
- lien

Ifrim, C., Stinnesbeck, W. & Schafhauser, A. (2005)
Maastrichtian shallow-water ammonites of northeastern Mexico
in Revista Mexicana de Ciencias Geológicas - V. 22 - Universidad Nacional Autónoma de México

Ikeda, Y. & Wanf, R. (2012)
Different modes of migration among late Cretaceous Ammonoids in Northwestern Hkkaido, Japan: evidence from the analyses of shell whorls
in Journal of Paleontology - Vol. 86, No. 4 - Paleontological Society
- lien

Ilovaisky, D. (1903)
L’Oxfordien et le Séquanien des gouvernements de Moscou et de Riasan
in Bulletin de la Société Imperiale des Naturalistes de Moscou - No. 2 - Société Imperiale des Naturalistes de Moscou, 1829-1917

Imlay, R., W. (1939)
Upper Jurassic ammonites from Mexico
in Bulletin of the Geological Society of America - Vol. 50 - Geological Society of America

Imlay, R., W. (1953)
Callovian (Jurassic) ammonites from the United States and Alaska; Part 1, Western interior United States
in Geological Survey Professional Paper - 249-A - United States Department of the Interior
- lien

Imlay, R., W. (1953)
Callovian (Jurassic) ammonites from the United States and Alaska; Part 2. Alaska Peninsula and Cook Inlet regions
in Geological Survey Professional Paper - 249-B - United States Department of the Interior
- lien

Imlay, R., W. (1955)
Characteristic Jurassic Mollusks from Northern Alaska
in Geological Survey Professional Paper - 274-D - United States Department of the Interior

Imlay, R., W. (1960)
Early Cretaceous (Albian) Ammonites From the Chitina Valley and Talkeetna Mountains, Alaska
in Geological Survey Professional Paper - 354-D - United States Department of the Interior
- lien

Imlay, R., W. (1962)
Jurassic (Bathonian or Early Callovian) Ammonites From Alaska and Montana
in Geological Survey Professional Paper - 374-C - United States Department of the Interior
- lien

Imlay, R., W. (1962)
Late Bajocian Ammonites From the Cook Inlet Region, Alaska
in Geological Survey Professional Paper - 418-A - United States Department of the Interior
- lien

Imlay, R., W. (1964)
Upper Jurassic Mollusks from Eastern Oregon and Western Idaho
in Geological Survey Professional Paper - 483-D - United States Department of the Interior
- lien

Imlay, R., W. (1968)
Lower Jurassic (Pliensbachian and Toarcian) ammonites from eastern Oregon and California
in United States Geological Survey Professional Paper - 593-C
- lien

Imlay, R., W. (1973)
Middle Jurassic (Bajocian) Ammonites from Eastern Oregon
in Geological Survey Professional Paper - 756 - United States Department of the Interior

Imlay, R., W. (1975)
Stratigraphic Distribution and Zonation of Jurassic (Callovian) Ammonites in Southern Alaska
in Geological Survey Professional Paper - 836 - United States Department of the Interior
- lien

Imlay, R., W. (1976)
Middle Jurassic (Bajocian and Bathonian) Ammonites From Northern Alaska
in Geological Survey Professional Paper - 854 - United States Department of the Interior
- lien

Imlay, R., W. (1980)
Middle Jurassic (Bathonian) Ammonites From Southern Alaska
in Geological Survey Professional Paper - 1091 - United States Department of the Interior
- lien

Imlay, R., W. (1981)
Early Jurassic Ammonites from Alaska
in Geological Survey Professional Paper - 1148 - United States Department of the Interior
- lien

Imlay, R., W. (1981)
Late Jurassic Ammonites From Alaska
in Geological Survey Professional Paper - 1190 - United States Department of the Interior
- lien

Imlay, R., W. (1982)
Late Bajocian Ammonites From Southern Alaska
in Geological Survey Professional Paper - 1189 - United States Department of the Interior
- lien

Imlay, R., W. (1984)
Early and Middle Bajocian (Middle Jurassic) Ammonites from Southern Alaska
in Geological Survey Professional Paper - 1322 - United States Department of the Interior
- lien

Imlay, R., W. & Jones, D., L. (1970)
Ammonites of the Buchia Zones in Northwestern California and Southwestern Oregon
in Geological Survey Professional Paper - 647-B - United States Department of the Interior
- lien

Immel, H. (1978)
Die Crioceratiten (Ancyloceratina, Ammonoidea) des mediterranen und borel Hauterive-Barreme (Unterkreide)
in Palaeontographica Abteilung A - 163 - E. Schweizerbart’sche Verlagsbuchhandlung, Stuttgart

Immel, H. (1979)
Cenoman-Ammoniten aus den Losensteiner Schichten der Bayerischen Alpen
in Aspekte der Kreide Europas - series A, No 6 - International Union of Geological Sciences

Immel, H., Klinger, H., C. & Wiedmann, J. (1982)
Die Cephalopoden des Unteren Santon der Gosau von Brandenberg/Tirol, Österreich
in Zitteliana - 8 - Bayerischen Staatssammlung für Paläontologie und Geologie
- lien

Ivanov, A., N. (1960)
À propos de l’origine néoténique des ammonites calloviennes du genre Pseudocadoceras
in Recueil d’ouvrages sur la géologie et la paléontologie - Académie des Sciences de l’U.R.S.S.

Ivanov, M. (1995)
Upper Maastrichtian ammonites from the sections around the town of Bjala (Eastern Bulgaria) [en Bulgare]
in Review of the Bulgarian Geological Society - Vol. 56, part 3 - Bulgarian Geological Society
- lien

Ivanov, M. & Idakieva, V. (2013)
Lower Aptian ammonite biostratigraphy and potential for further studies of OAE 1a in Bulgaria
in Cretaceous Research - 39 - Academic Press Inc. (London) / Elsevier
- lien

Iwanczuk, J., Iwanow, A. & Wierzbowski, A. (2013)
Lower Jurassic to lower Middle Jurassic succession at Kopy Soltysie and Placzliwa Skala in the eastern Tatra Mts (Western Carpathians) of Poland and Slovakia: stratigraphy, facies and ammonites
in Volumina Jurassica - Vol. XI - Institute of Geology, Faculty of Geology, Warsaw University
- lien