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Ptychitidae
Contributions in BIOLOGY and GEOLOGY
Middle Triassic) Ptychitid Ammonoids from Nevada, USA
Sepkoski, J.J. 1992. Compendium of Fossil Marine Animal Families
Stratigraphy and Ammonoids from the Middle Triassic Botneheia Formation (Daonella Shales) of Spitsbergen
Palaeontographica Beitrage Zur Naturgeschichte Der Vorzeit
Title Lower and Middle Triassic Ammonites from Portuguese Timor
Berichte Der Geologischen Bundesanstalt Nr. 46 V
The Ammonoid Recovery After the End−Permian Mass Extinction: Evidence from the Iran−Transcaucasia Area, Siberia, Primorye, and Kazakhstan
Ammonoids of the Shoshonensis Zone (Middle Anisian, Middle Triassic) from Northwestern Nevada (USA) 425-465 ©Geol
Ontogenetic Analysis of Anisian (Middle Triassic) Ptychitid Ammonoids from Nevada, USA
Cephalopods - Present and Past
PALÄONTOLOGIE Und GEOLOGIE
Biogeography of Triassic Ammonoids
Environmental Impact on Ectocochleate Cephalopod Reproductive Strategies and the Evolutionary Significance of Cephalopod Egg Size
Lithofacies Palaeogeography and Biostratigraphy of the Lowermost Horizons of the Middle Triassic Hallstatt Limestones (Argolis Peninsula, Greece)
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