Conference Agenda

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Session Overview
Session
5b - Ammonites – what else?
Time:
Tuesday, 02/Sept/2025:
11:00am - 12:30pm

Session Chair: Frank Wiese, Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)
Session Chair: Christina Ifrim, Staatliche Naturwissenschaftliche Sammlungen Bayerns
Location: A310


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Presentations
11:00am - 11:15am
ID: 376
Topics: 5b - Ammonites – what else? (Wiese, Ifrim)

Valanginian ammonite biostratigraphy of northern Mexico

Ricardo Barragán-Manzo1, José Roberto Ovando-Figueroa2, Miguel Company3, José Antonio Jacobo-Delgado4, Josep Anton Moreno-Bedmar1

1Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria Coyoacán, C.P. 04510, Ciudad de México, Mexico; 2Calle de 5 de febrero #426-2, Cuauhtémoc, Ciudad de México, Mexico; 3Departamento de Estratigrafía y Paleontología, Universidad de Granada, Granada, Spain; 4Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Ciudad Universitaria Coyoacán, C.P. 04510, Ciudad de México, Mexico



11:15am - 11:30am
ID: 345
Topics: 5b - Ammonites – what else? (Wiese, Ifrim)

Upper Hauterivian – lowermost Upper Barremian ammonite record of the San Isidro Formation, Santiago Huauclilla, Oaxaca State, southern Mexico

Josep Anton Moreno-Bedmar1, Diego Iván Serrano-Monroy2, Miguel Company3

1Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria Coyoacán, C.P. 04510, Ciudad de México, Mexico; 2Posgrado en Ciencias del Mar y Limnología, Ciudad Universitaria, Ciudad de México, Coyoacán, 04510, Ciudad de México, Mexico; 3Departamento de Estratigrafía y Paleontología, Universidad de Granada, Granada, Spain



11:30am - 11:45am
ID: 126
Topics: 5b - Ammonites – what else? (Wiese, Ifrim)

Ammonoid mass-mortality events due to submarine explosive volcanism. Uppermost Albian of Sopela (Basque-Cantabrian basin, Western Pyrenees)

Mikel A. López-Horgue1, Iñaki Rojo-Legarra2, Santiago N. González3, Fernando Á. Fernández-Álvarez4, Isabelle Kruta5

1Euskal Herriko Unibertsitatea/University of the Basque Country, 48940 Leioa, Basque Country, Spain; 2Landabe 1, 1ºB, 48600 Sopela, Basque Country, Spain; 3Instituto de Investigación en Paleobiología y Geología (UNRN-CONICET), Argentina; 4Instituto Español de Oceanografía, Centro Oceanográfico de Gijón (IEO, CSIC), Spain; 5Centre de Recherche en Paléonotologie-Paris (CR2P), CNRS-MNHN-Sorbonne Université, Paris, France



11:45am - 12:00pm
ID: 311
Topics: 5b - Ammonites – what else? (Wiese, Ifrim)

Not ammonites, but squids: “the Cretaceous squid ocean” revealed by digital fossil-mining

Shin Ikegami1, Yusuke Takeda2, Jörg Mutterlose3, Yasuhiro Iba1

1Hokkaido University, Japan; 2Japan Synchrotron Radiation Research Institute, Japan; 3Ruhr-Universität Bochum, Germany



12:00pm - 12:15pm
ID: 312
Topics: 5b - Ammonites – what else? (Wiese, Ifrim)

Not ammonites, but sepioids: the oldest sepioid cephalopod from the Cretaceous discovered by zero-shot learning AI

Kanta Sugiura1, Shin Ikegami1, Yusuke Takeda2, Jörg Mutterlose3, Mehmet Oguz Derin4, Aya Kubota5, Harufumi Nishida6, Kazuki Tainaka7, Takahiro Harada4, Neil H Landman8, Yasuhiro Iba1

1Hokkaido University, Japan; 2Japan Synchrotron Radiation Research Institute, Japan; 3Ruhr-Universität Bochum, Germany; 4Morgenrot Inc., Japan; 5National Institute of Advanced Industrial Science and Technology, Japan; 6Chuo University, Japan; 7Niigata University, Japan; 8American Museum of Natural History, USA



12:15pm - 12:30pm
ID: 263
Topics: 5b - Ammonites – what else? (Wiese, Ifrim)

Palaeobiogeographic implications in the co-fauna of the World’s Largest Ammonite Parapuzosia (P.) seppenradensis (Landois, 1895)

Christina Ifrim

Staatliche Naturwissenschaftliche Sammlungen Bayerns, Germany