| 词条 | Phyllopachyceras |
| 释义 |
| fossil_range = Cretaceous, {{fossil range|145.5|70.6}}[1] | image = Phylloceratidae - Phyllopachyceras infundibulum.JPG | image_caption = Fossil shells of Phyllopachyceras infundibulum from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris | taxon = Phyllopachyceras | authority = Spath, 1925 }}Phyllopachyceras is an extinct genus of ammonoid cephalopods belonging to the family Phylloceratidae. These nektonic carnivores lived in the Cretaceous, from Hauterivian to Maastrichtian to age.[2] Species
DescriptionShells of Phyllopachyceras can reach a diameter of about {{convert|4.5|cm}}. On the external surface ribs are alternately short and long and sutures show a high complexity, with saddle endings perfectly quadruple (tetraphillic). The section of the shell is quite thick.[3] DistributionFossils of species within this genus have been found in the Cretaceous of Antarctica, Argentina, Austria, China, France, Hungary, Italy, Japan, Madagascar, New Zealand, Poland, Russia, Spain, Ukraine and United States. References{{portal|Paleontology|Cretaceous}}1. ^The Paleobiology Database 2. ^Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda 3. ^Ammonites Further reading
11 : Cretaceous ammonites|Ammonites of Africa|Cretaceous Africa|Ammonites of Asia|Cretaceous Asia|Ammonites of Europe|Cretaceous Europe|Ammonites of North America|Cretaceous United States|Ammonites of South America|Cretaceous Argentina |
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