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AMMONITE Fossils Lot of 3 (100-120 Mil Yrs old) Morocco & Madagascar #12391

$74.99

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This is a set of 3 nice ammonite fossils.  Two of the ammonites were found in Morocco.  The first measures 4 1/4 inches in length and the second is 3 3/4 inches in length.   The other ammonite is from Madagascar and dates back to approximately 120 million years old.  It is 3 inches in length. These are great items for educational purposes or for starting or adding to a fossil collection!  

Ammonites were prehistoric marine creatures related to the modern day cuttlefish, squid, and octopus family.  Ammonites are called cephalopods because their heads and tentacles protruded out of the same opening; they grew by building larger chambers onto their shells.   

 

We have a variety of ammonite fossils available for sale so be sure to check out our other items! 

 

 

I am so confident that you'll love this item that I offer a 100% money back guarantee - when you receive the item if you're not happy for any reason, send it back within 14 days and I'll refund your purchase price. THE MONEY BACK GUARANTEE IS NOT AVAILABLE FOR ITEMS THAT HAVE BEEN ALTERED IN ANY WAY BY THE BUYER. We are happy to combine shipping! I'm also happy to hold off on shipping if you want to watch my auctions for several weeks and then combine shipping in the same box.

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Schloenbachia

From Wikipedia, the free encyclopedia


Schloenbachia
Temporal range: U Cret (Cenom
Schloenbachia varians .jpg
Scientific classification
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Schloenbachiidae
Genus: Schloenbachia
Neumayer, 1875
Species

See text

Schloenbachia is an ammonoid cephalopod genus from the Cenomanian stage of the Upper Cretaceous, and type for the Schloenbachiidae, a family within the ammonitid Hoplitaceae.[1]

Schloenbachia was named by Newmayer, 1875, the type species is Schloenbachia varians (Sowerby 1817).[2] The genus has been found in Europe (France, Germany, England), the Middle East (Iran), and North America (California, Oregon).

 

 

Species[edit]

Schloenbachia varians[edit]

Schloenbachia varians, known from Europe and Iran, is a highly varied species with a number of possible synonyms. Variations includeS. varians (var) subvarinasS.v. (var) subtuberculataS.v. (var) ventricosa,and S.v. (var) varians.[3]

Schloenbachia varians comprises a highly variable group of medium-sized, involute and compressed to evolute and highly inflated, weak to strongly keeled ammonites, most all of which bear umbilical and lower lateral tubercles. Compressed forms may be smooth and constricted. More inflated forms usually have flexious ribs that arise from lower lateral tubercles ending in strong clavi at the ventrolateral ends.[4] The variations included cannot be regarded as geographic subspecies or successive chrono-subspecies, but reflect a high degree of variability in shell form and ornament (phenotypic plasticity) in S. varians.[5]

Schloenbachia in western North America[edit]

A suite of species attributed to Schloenbachia have been described from Upper Cretaceous sediments in California and Oregon (Chico Formation and equivalents), including among others Schloenbachia chicoensisS. knighteniS. multicostataS. oregonensis, and S. siskiyouensis.[6] These differ in the nature of the ribbing, tuberculation, and keel as well as the degree of compression or inflation of the shell.[7] Most come from northern California and Oregon, however two species Schloenbachia knighteni and Schloenbachia siskiyouensis have been found in the coastal mountains in southern California east of Santa Anna.[8]