This Utah Trilobite is a large and detailed specimen of the species Elrathia kingi 

Here is a large specimen of a trilobite of the genus Megalaspides as the Ordvizian of Morocco.

Here is a fossil Megalodon tooth measuring approximately 137 mm, featuring a well-preserved root and an attractive light coloration. For comparison, the length is slightly over 5 inches.

This is a very large trilobite of the species Cambropallas telesto from the Middle Cambrian of the Jebel Ougnate region in Morocco. 

This is an inexpensive specimen of a large megalodon tooth. When complete, the tooth would have been a good 4.5 inches, i.e. about 115 mm.

This is an interesting Megalodon tooth with two notable notches. These are likely to have been caused by both of the opposing teeth. 

This Megalodon tooth measures about  117 mm and features excellent preservation as well as an attractive light coloration. Its size corresponds to roughly 4.5 inches.
 

This  is an affordable specimen of a complete Megalodon tooth measuring about 41 mm, which is roughly 1.5 inches.

Here is an affordable specimen of an incomplete Megalodon tooth measuring about 85 mm, which is just under 3.5 inches.

Here is a small Megalodon tooth measuring about 43 mm, which is slightly more than 1.5 inches.
This tooth is of systematic interest because it still shows traces of the small lateral cusps. 

Here is a fossil Megalodon tooth measuring approximately 137 mm, featuring a well-preserved root and an attractive light coloration. For comparison, the length is slightly over 5 inches.

Here is an affordable specimen of a genuinely very large Megalodon tooth with a cutting edge length of approximately 161 mm. Although the tooth is incomplete, it still displays several attractive details and is particularly striking due to its remarkable size of about 6 inch.

Here is a fossil Megalodon tooth measuring approximately 137 mm, featuring a well-preserved root and an attractive light coloration. For comparison, the length is slightly over 5 inches.

This trilobite is an exceptional rarity of the species Chlustinia keyserlingi from the Czech Republic.

This agnostid trilobite belongs to the species Itagnostus interstrictus and comes from Cambrian strata of Utah.
 

This is an inexpensive trilobite of the species Hamatolenus vincenti from the Middle Cambrian of Morocco.

This Utah trilobite is a detailed specimen of the species Elrathia kingi from the Wheeler Shale.
 

This  is a detailed fossil of the floating crinoid Saccocoma tenella.
Saccocoma tenella is is most abundant fossil from the Solnhofen Limestone. The fossil itself mesures about 33  mm.

This nice Trilobite belongs to the species Asaphellus fezouataensis and it was found in the Ordovician Fezouata Shale of Morocco. 
 

This is a detailed Oklahoma trilobite of the species Kainops raymondi. The trilobite presents itself half-rolled on its nice shaped matrix.
 

Here is a large and detailed trilobite of the genus Metacanthina from Morocco, originating from an unusual locality. The specimen comes from the Devonian of the Casablanca area in northern Morocco

Here is a superb Sengenthal - Ammonite of the spices Parkinsonia parkinsoni. The ammonite is nicely preserved down to the inner coils and present it self well on a attractive piece of matrix.

This Chang Jiang trilobite is a large specimen of Eoredlichia intermedia. 

This is a rather rare and attractive trilobite of the species Pseudodechenella rowi from the Givetian of New York.

This is a rare specimen of the trilobite Comptonaspis swallowi from the Carboniferous of Missouri.