词条 | Anadesmoceras |
释义 |
|name = Anadesmoceras |status = |fossil_range = {{fossil range|Albian|ref=[1]}} |regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |subclassis = |ordo = Ammonitida |superfamilia = |familia = hoplitidae |genus = Anadesmoceras | genus_authority = Casey, 1954 }} Anadesmoceras is an hoplitid ammonite from the lower Albian (upper Lower Cretaceous) of England, included in the subfamily Cleoniceratinae. Anadesmoceras has a shell shaped more or less like a compressed Cleoniceras but with faint ornament only on the inner whorls. The shell has bundled growth striae. The aperture is preceded by several wide sinuous constrictions. References1. ^{{cite web | last = Sepkoski| first = Jack| title= Sepkoski's Online Genus Database|authorlink =| coauthors =| year = 2002| url = http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class| accessdate = 2014-05-28 }} Mesozoic Ammonoidea, Arkell et al; Treatise on Invertebrate Paleontology, Part L. p. L394. {{Taxonbar|from=Q3728477}}{{Ammonite-stub}} 1 : Early Cretaceous ammonites of Europe |
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