Ammonitina
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- Ammonitina, Grammoceratinae) in the Upper Toarcian of the Central Apennines (Cingoli, Macerata, Italy)
- Toarcian and Bajocian Ammonites from the Haushi
- Early Jurassic Ammonites from Alaska
- On the Oldest Jurassic Ammonites of Europe (Northern Calcareous Alps, Austria) and Their Global Significance
- Paleontological Contributions
- Primer Congreso Geolo'gico Chileno, Vol. I, P. C 23-39. Santiago De Chile, 1976
- (GSSP) for Base of the Bathonian Stage (Middle Jurassic), Ravin Du Bès Section, SE France
- Ammonite Anatomy & Terms
- Latest Toarcian-Earliest Bajocian Uurassic) Grammoceratinae (Hildoceratidae, Ammonitina) of the Western Tethys: Their Palaeobiog
- The Taxonomic Status of the Genus Hubertoceras Spath: a New Light on Sexual Dimorphism from the Callovian Ammonites of Kutch, India
- Proposal of an Integrated Framework of Biological Taxonomy: a Phylogenetic Taxonomy, with the Method of Using Names with Standard Endings in Clade Nomenclature
- Advancing Research on Living and Fossil Cephalopods
- Jurassic Ammonite Aptychi: Functions and Evolutionary Implications
- Late Bajocian Ammonites from Southern Alaska
- Evolution of Habitat Depth in the Jurassic– Cretaceous Ammonoids
- Annual Meeting 2004
- Form, Structure and Function of Shell and Siphuncle in Coiled Mesozoic Ammonoids
- Kummel, 1954 Cephalopoda.Pdf