Andes 6 Fuegian andes Ammonites 4 Anagaudryceras 4 Bivalvia 4 Clay-slate formation 4 Coniacian 4 Cretaceous 4 Diplomoceras 4 Inoceramid 4 Inoceramidae 4 Inoceramus 4 Nereites 4 Pachydiscus 4 South America 4 Trace fossils 4 Zoophycos 4 ammonite 4 biostratigraphy 4 bivalve 4 mudstone 4 new record 4 trace fossil 4 Argentina 2 Lago yehuin 2 Single-channel seismic profiles 2 Strike-slip tectonics 2 Tierra del Fuego [(PRV) Argentina] 2 data interpretation 2 fold and thrust belt 2