Search results for: 'ancep silver book i noted your looking'

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I19          SIZE:  1-3/16" crown

Adding 22 Edestus shark specimens in July 2025.    Link to Edestus shark.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I13          SIZE:  1-1/4"crown

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I12          SIZE:  1-1/2"crown

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

Retroflexus - A GEM rare I. retroflexus tooth. Upper jaw position. Very nice light color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C620     (Right)          Size: 7/8"+

Retroflexus - A GEM rare I. retroflexus tooth. Upper jaw anterior position. Very nice light color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C624   (Right)        Size: 1"

Retroflexus - A GEM rare I. retroflexus tooth. Lower jaw position. Very nice light color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C632   (Right)         Size: 13/16"

Retroflexus - A GEM rare I. retroflexus tooth. Lower jaw position. Very nice light color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C633   (Left)         Size: 7/8"

An extra large, expert prepared Hollardops mesocristata trilobite. The preparation is German or German directed with all original colors and no restoration. Excellent preservation and condition. Incredible detail in the compound eyes. A Middle Devonian (380 mya) from the Djebel Issoumour area, Atlas Mts., Morocco. An extra large, top quality specimen. Authenticity guaranteed. Museum quality.

XM34      Size: 2-5/8"  (1-5/8" W)

Note - More than 20 high quality Devonian age Moroccan trilobite species for sale. Authenticity guaranteed.  -->  Link to Moroccan Trilobites

Oxyrinchus - A large, GEM rare I. oxyrinchus tooth. Lower jaw anterior teeth. Excellent color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C636    (Left)        Size: 15/16"

Oxyrinchus - A large,GEM rare I. oxyrinchus tooth. Lower jaw anterior teeth. Excellent color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C637    (Right)           Size: 3/4"

Retroflexus - A pair of rare I. retroflexus teeth. Upper jaw position. Very nice light color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C617     (Left)         Size: 7/8"

Retroflexus - A GEM rare I. retroflexus teeth. Upper jaw anterior position. Very nice light color with exceptional gloss. Great preservation and condition - extra sharp edges and tip - exceptionally clean.

C619    (Left)         Size: 7/8"