Search results for: 'with guid three age'

A LARGE, Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!  

T373            SIZE: 1-3/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

A LARGE, Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!  

T372            SIZE: 1-3/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

An EXTRA LARGE, High Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare! The last of my largest teeth.  

T371            SIZE: 1-3/4" x 1' height

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

An excellent pair of Mucrospirifer thedfordensis brachiopods from Arkona, Ontario, Canada. Brachiopods are bivalve molluscs. Both valves present  - complete specimens and matrix free. Excellent preservation. This is a middle Devonian (395 mya) brachiopod. Authenticity guaranteed. A great display group! 

Y024          SIZE: 1-3/8"   (largest)

Note - posting 23 new Brachiopods in January 2024.      Link to Brachiopods.

An excellent group of two Large, Top Quality Mucrospirifer thedfordensis brachiopods from Arkona, Ontario, Canada. Brachiopods are bivalve molluscs. Both valves present  - complete specimens and matrix free. Excellent preservation. This is a middle Devonian (395 mya) brachiopod. Authenticity guaranteed. A great display group! 

Y023          SIZE: 1-5/8"   (largest)

Note - posting 23 new Brachiopods in January 2024.      Link to Brachiopods.

An excellent group of two Large, Top Quality Mucrospirifer thedfordensis brachiopods from Arkona, Ontario, Canada. Brachiopods are bivalve molluscs. Both valves present  - complete specimens and matrix free. Excellent preservation. This is a middle Devonian (395 mya) brachiopod. Authenticity guaranteed. A great display group! 

Y022          SIZE: 1-9/16"   (largest)

Note - posting 23 new Brachiopods in January 2024.      Link to Brachiopods.

An excellent group of two Large, Top Quality Mucrospirifer thedfordensis brachiopods from Arkona, Ontario, Canada. Brachiopods are bivalve molluscs. Both valves present  - complete specimens and matrix free. Excellent preservation. This is a middle Devonian (395 mya) brachiopod. Authenticity guaranteed. A great display group! 

Y021          SIZE: 1-5/8"   (largest)

Note - posting 23 new Brachiopods in January 2024.      Link to Brachiopods.

A beautifully prepared, rare Viaphacops trilobite. Incredible preservation. A HIGH QUALITY specimen from the Bois D Arc Fm., Coal Co., Oklahoma. A lower Devonian trilobite (410 mya).

X107          Size: 2-5/16"

A beautifully prepared, Colomnia taunicum crab from Konchekusu, Kazakhstan. An Oliogocene crab (30 mya). Excellent quality and preservation. No repair or restoration. Authenticity guaranteed. 

X415        Size:  2-5/8"  

A gorgeous, extra large Jurassic Craspedites ammonite specimen from Russia.  

X253     Size: 2"

The Echinoid Display Collection. A LARGE, Top Quality Encope borealis sand dollar from Baja California, Mexico. This is a Pliocene age sand dollar (2 MYA). Excellent preservation.  Authenticity guaranteed. An excellent collector specimen from a special collection of echinoids. A perfect echinoid. Comes with a custom wooden ID stand with label (see photo of typical label).

EC108        Size: 3" x 3" 

Note - Posting 14 Sea Urchins / Sand Dollars in October 2023.  ->  Link to Echinoderms.

A Scarce Megalodon tooth from Dakhla area, Western Sahara, Morocco. These Megalodon teeth are great for gifts, class room, or starting your fossil shark tooth or Megalodon collection. These Megs are Miocene age - about 14 MYA. No repair or restoration. Authenticity guaranteed. You don't see many of these Moroccan Meg teeth today since the site is closed.  

M079            SIZE: 1-15/16"

Adding 13 Moroccan Megalodon teeth in October 2023.       Link to Moroccan Megalodon teeth