Mosasaurs (from Latin Mosa meaning the 'Meuse river', and Greek σαύρος sauros meaning 'lizard') are large, extinct, marine reptiles. The first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764. Mosasaurs probably evolved from semiaquatic squamates[1] known as aigialosaurs, which were more similar in...

NWA 869 787 is one of the most interesting Ordinary Chondrites found in Northwest Africa. The meteorite was discovered in 2000 near Tindouf in Algeria and some estimates indicate that up to 3000kg in the form of thousands of stones have been found, making it one of the largest Total...

Otodus obliquus, previously known as Lamna obliqua was one of the earliest mackerel sharks. Their teeth are noted for their wide triangular crown and large side cusps (occasionally multiple side cusps). Large Otodus obliquus teeth are not easily located in the phosphate pits in Atlas Mountains of Morocco, but can...

Wack and Crack Amethyst Geodes for Kids.  Real Amethyst Geodes.  Crack the Geodes and find the Amethyst crystals within. Weight: 265 Grams, Display measures: 2.25 x 2.25 x 5.75

Astro Kids Mineral Collections. Comes with 15 identified mineral specimens, 4 1/2x magnifier   Pack Weight: 357.3 Grams

Genuine Agoudal Meteorite in a Glass Display Box. In 2000 two large pieces of iron were collected in the Agoudal area, High Atlas Mountains, Morocco. Type IIAB iron meteorites are also called hexahedrites. Hexahedrites are low nickel iron meteorites certainly among the rarest of the iron meteorites. This specimen (roughly...

A genuine fragment from the famous Chelyabinsk Meteorite fall, Russia, 2013. This Chondrite fragment was recovered from a frozen lake, Feb. 15, 2013. The meteorite created a huge explosion upon entering the atmosphere breaking thousands of windows. The specimen comes in a glass display box with a description of the...

Genuine Canyon Diablo Iron Meteorite in Display Box. This nickel-iron meteorite was found in the world famous Baringer crater (meteor crater) AZ, USA. The crater is about 3900 ft in diameter, and 560 ft deep. The impact which carved out this crater is believed to have occurred about 50,000 years ago with energy...

Genuine Knightia Fossil Fish in a Glass Display Box. This specimen comes in a labeled display box with color image and a brief written description. These make amazing gifts as they come perfectly displayed and labeled. Here's a 50 million year old fossil herring from the Green River Formation of Wyoming....

Phosphate Deposits - Khouribga, Morocco Mosasaurs probably evolved from an extinct group of aquatic lizards known as aigialosaurs in the Early Cretaceous Period (73-65 million years ago). Mosasaur teeth come in various sizes and from various species. This specimen is a large, (finest grade), fossil Mosasaur jaw with multiple teeth...

Genuine Megalodon tooth in a Glass Display Box. This specimen comes in a labeled display box with color image and a brief written description. These make amazing gifts as they come perfectly displayed and labeled.Description:Megalodon was an ancient shark that may have been 40 feet (12 m) long or even more....

Megalodon was an prehistoric shark that may have been 40 feet (12m) long or more. (There are a few scientists who estimate it could have been up to 50 to 100 feet long -15.5 to 31m long) This is at least two or three times as long as the Great White...

Genuine Megalodon tooth in a Glass Display Box. This specimen comes in a labeled display box with color image and a brief written description. These make amazing gifts as they come perfectly displayed and labeled.Description:Megalodon was an ancient shark that may have been 40 feet (12 m) long or even more....

Fossilized ammonite half which reveals the internal chambers lined with calcite crystals. The ammonite has been naturally replaced by calcite with small areas showing its original mother of pearl iridescent outer shell. This is a complete ammonite sliced and polished to expose the internal cavities now lined with calcite micro...