Search results for: 'altu site 1 yogyakarta'

A LARGE, High Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus and Denversaurus, a Nodosaur, were the two Ankylosaurs present in the Hell Creek and Lance Creek Formations.  A complete body osteoderm plate from an adult Ankylosaurus. The bone is excellent quality with excellent color / patina. No cracks or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Authenticity guaranteed. A collector's quality Ankylosaurus osteoderm. I do not see large ostederms very often.

DK26         SIZE: 5"  x  4-1/2"  x 5/8"

Note - Adding 7 new Ankylosaurus - Nodosaur osteoderms in August 2025.       Link to Ankylosaur fossils catalog.

A TOP Quality Megalodon - lower jaw anterior tooth from West Java, Indonesia. This Megalodon has a tan with red highlights colored crown with a light gold colored bourlette. Highest quality enamel. Fantastic color!  The bourlette is complete. The serrations are razor sharp and complete with an excellent "needle-like" tip serration. Excellent  serrations. The root is excellent and complete with a small amount display side erosion.  Miocene Age. No repair or restoration. Authenticity Guaranteed. A very special color collector's Meg tooth.  Lower jaw teeth are up to 50 times more rare than the upper jaw teeth.

IN16        Size: 4-15/16"   (3-1/4" wide)  

Note - Adding 15 Top Quality Indonesian Megalodon Teeth in August 2025. -> Link To TQ Indonesian Megs

A LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus and Denversaurus, a Nodosaur, were the two Ankylosaurs present in the Hell Creek and Lance Creek Formations.  A complete body osteoderm plate from an adult Ankylosaurus. The bone is excellent quality with excellent color / patina. Well preserved vascular channels. No cracks or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Authenticity guaranteed. A collector's quality Ankylosaurus osteoderm. I do not see large ostederms very often.

DK25         SIZE: 5"  x  3-3/4"  x 1/2"

Note - Adding 7 new Ankylosaurus - Nodosaur osteoderms in August 2025.       Link to Ankylosaur fossils catalog.

A LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. An April Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has exceptional color and patina. Overall an excellect pes ungual. Note - this ungual exbibits the "Pachy twist " (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.

DP21       SIZE: 2"   

Note - Adding 6 new Pachy spikes, claws, and teeth in February  2025.    Link to Pachy fossils catalog

An EXTRA LARGE, Colorful, Top Quality Megalodon - upper jaw anterior tooth from West Java, Indonesia. An August Fossil of the Month. This Megalodon has a BLACK with silver & tan colored crown with an excellent brown colored bourlette. Highest quality enamel. Fantastic color!  The bourlette is complete. The serrations are razor sharp with a razor sharp tip serration. Excellent serrations. The root is excellent with a nicely articulated surface, extra wide and complete. No display side erosion. Miocene Age. No repair or restoration. Authenticity Guaranteed. A very special color collector's Meg tooth. Note - This tooth comes with a custom display stand as shown in the final photo. 

IN101        Size: 6-1/8"   (4-13/16" wide)  

Note - Adding 15 Top Quality Indonesian Megalodon Teeth in August 2025. -> Link To TQ Indonesian Megs

A Colorful, Top Quality Megalodon - lower jaw anterior tooth from West Java, Indonesia. This Megalodon has a tan with brown highlights colored crown with a brown & golden tan colored bourlette. Highest quality enamel. Fantastic color!  The bourlette is large & complete. The serrations are razor sharp and nearly complete. Excellent  serrations. The root is excellent with a nicely articulated surface & complete with no erosion.  Miocene Age. No repair or restoration. Authenticity Guaranteed. A very special color collector's Meg tooth. Note - This tooth comes with a custom display stand as shown in the final photo. The lower jaw teeth are up to 50 times more rare than the upper jaw teeth.

IN09        Size: 5-3/8"   (3-1/2" wide)  

Note - Adding 15 Top Quality Indonesian Megalodon Teeth in August 2025. -> Link To TQ Indonesian Megs

An EXTRA LARGE, Top Quality Crotalocephalina gibbus trilobite from Morocco. The preparation is German with all original colors and no restoration. Great natural greenish black shell with excellent luster. The specimen is fully exposed including the base on the cephalon and very nicely displayed. A Lower Devonian trilobite  (395 mya) from the Hamar Laghdad area, Atlas Mts., Morocco. Authenticity guaranteed. Museum Quality specimen. 

XM08          Size: 3-1/8"

Note - Adding 16 new Moroccan Trilobites in May 2024.    -->    Link to Moroccan Trilobites

"The Best of West Java".  An ultra rare EXTRA LARGE, TOP QUALITY 6" Megalodon - upper jaw tooth from West Java, Indonesia. A January Fossil of the Month. This Megalodon has an excellent tan & orange-tan and orange bourlette. Highest quality enamel. Excellent color! The bourlette is large and 98% complete. The serrations are razor sharp and complete with an excellent tip serration. Incredible serrations for a BIG Meg. The root is wide with a light tan color and complete with no pitting. There is a small chip on the left root end. A Miocene Age tooth. No repair or restoration. Authenticity Guaranteed. An incedible BIG Meg collector's tooth. Top quality 6" West Java teeth are very rare!

IN105        Size: 6"   (4-1/8" W)

Note - Adding 3+ Indonesian Megalodon Teeth in January 2023. -> Link To Indonesian Megs

"The BEST of West Java." An ultra rare, TOP QUALITY BIG Megalodon - upper jaw anterior tooth from West Java, Indonesia.  A March Fossil of the Month. This Megalodon has an excellent light brown colored crown and an excellent red-brown colored bourlette. Highest quality enamel. Great color! The bourlette is extra large and nearly complete. The serrations are razor sharp with an excellent tip serration and essentially complete. Excellent serrations for a BIG Meg tooth. The root is extra wide and excellent with a few surface pits. Miocene Age. No repair or restoration. Authenticity Guaranteed. A rare BIG Indonesian Meg tooth. One of my BEST top quality BIG West Java Meg teeth. This is a BIG tooth!

IN02 BoP       Size: 6-5/16"   (4-1/2" W)     

Note - Adding 2+ West Java Megalodon Teeth in March 2021. -> Link To Indonesian Megs

New  GEM Alopias teeth. Lateral teeth. Excellent color and preservation. Sharp edges.

M1502                   SIZE: 7/16"+

New  GEM Alopias teeth.  Anterior teeth. Excellent color and preservation. Sharp edges.

M1504 (Right)      SIZE: 7/16"+

An Ultra Rare, Top Quality 5" Sharktooth Hill Megalodon tooth found in the Round Mountain Silt near Bakersfield, California. A location that produces very few Megalodon teeth and one of the toughest Megs to locate. A November 2020 Fossil of the Month. This tooth is still embeded in its original Round Mountain silt matrix. Highest quality enamel with a super rare, natural solid WHITE color. This tooth is truly white, and the color is not due to mineralization or sun bleaching. The bourlette is a white color and complete. The serrations are extra large and 100% complete (please note that 1/8" of the tip was professionally restored). The root is nicely articulated and complete. Also note the large grooves on the root ends - a Miocene trait. This is a middle Miocene Meg - very unique!  100% natural. No repair or restoration other the very tip. You will not see these middle Miocene Sharktooth Hill Megs from Bakersfield, California very often. One of the rarest Megs - naturally white colored and from Sharktooth Hill! Authenticity guaranteed. Museum Quality. An exceptional collector piece that came out of a 25 year old old collection! A fantastic display from the old Ernst Whale site.

ST451 BoP         Size: 5"   (3-5/8" W)

Note - Adding four Sharktooth Hill Meg teeth in November 2020.    Link to Sharktooth Hill Meg Teeth.