Superfamily Turrilitaceae Subclass Ammonites | Order Ancyloceratida Rank Genus | |
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Kate nash mariella lyrics
Mariella is an ammonoid genus, named by Nowak (1916) from the upper Albian and Cenomanian stages of the mid Cretaceous, included in the Turrilitidae. Its type is Turrilites bergeri
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Kate nash mariella
Description
Mariella resembles Turrilites in general form. The shell is asymmetric, closely wound in a long expanding trochoidal spire. Ribs are slightly oblique and are rather feeble, each with 4 more or less equally spaced tublercles. Turrilites differs primarily in being more strongly ribbed and in having a more oval aperture.
References
Mariella Wikipedia(Text) CC BY-SA