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| Laevaptychus | |
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| LaevaptychusFossil | |
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| Genus: | Laevaptychus |
Laevapetchyus is a genus ofammonites.
In Europe, most representatives of the genusLaevaptychus occur by the end of the early Tithonian.Laevaptychus latus is common throughout the Upper Jurassic and is abundant in the Alpine-Mediterranean region.
It is also recorded in southern Arabia, Tunisia, Somalia and the western North Atlantic.
In Mexico, the first records ofAptychus latus (=Laevaptychus latus) are provided from the Upper Jurassic of the La Caja Formation at Sierra de Catorce,San Luis Potosí and from the upper Kimmeridgian "Couche àHaploceras d. gr.Fialar" of Sierra de Santa Rosa,Mazapil,Zacatecas.[1]