Laevaptychus

Laevaptychus; Temporal range: Triassic–Upper Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
	Laevaptychus Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Ammonitida
Genus:	Laevaptychus

In Europe, most representatives of the genus Laevaptychus occur by the end of the early Tithonian. Laevaptychus latus is common throughout the Upper Jurassic and is abundant in the Alpine-Mediterranean region.

Laevapetchyus is a genus of ammonites.

It is also recorded in southern Arabia, Tunisia, Somalia and the western North Atlantic.

In Mexico, the first records of Aptychus 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 à Haploceras d. gr. Fialar" of Sierra de Santa Rosa, Mazapil, Zacatecas.[1]

References

Zell,P.; Stinnesbeck, W.; Beckmann,S. (2016). "Late Jurassic aptychi from the La Caja Formation of northeastern Mexico" (PDF). Boletín de la Sociedad Geológica Mexicana. 68: 515–536.

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[1] Zell,P.; Stinnesbeck, W.; Beckmann,S. (2016). "Late Jurassic aptychi from the La Caja Formation of northeastern Mexico" (PDF). Boletín de la Sociedad Geológica Mexicana. 68: 515–536.