| 词条 | Eulytoceras |
| 释义 |
|fossil_range = Cretaceous, {{fossil range|130.0|99.7}}[1] |image = Lytoceratidae - Eulytoceras phestum.JPG |image_caption = Fossil shells of Eulytoceras phestum from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris |regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |subclassis = Ammonoidea |ordo = Ammonitida |familia = Lytoceratidae |subfamilia = Lytoceratinae |genus = Eulytoceras |genus_authority = Spath, 1927 | synonyms = }}Eulytoceras is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores [1] lived in the Cretaceous period, from Hauterivian age to Barremian age.[2] Species[1]
DescriptionShells of Eulytoceras species reach a diameter of about {{convert|72|-|140|mm}}.[3][4] DistributionFossils of species within this genus have been found in the Cretaceous rocks of Antarctica, Austria, Canada, Italy, Madagascar, South Africa and Spain.[1] References1. ^1 2 3 The Paleobiology Database {{Taxonbar|from=Q12257409}}{{ammonitida-stub}}2. ^Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda 3. ^Eulytoceras 4. ^jsdammonites 4 : Cretaceous ammonites|Fossils of Antarctica|Ammonitida genera|Lytoceratidae |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。