Pterotrigonia (Scabrotrigonia) thoracica is the official state fossil, was designated in 1998. Pterotrigonia (Scabrotrigonia) thoracica (nicknamed “Ptero”) was cretaceous bivalve fossil found in the Coon Creek Formation of West Tennessee.
What states have state fossils?
Table of state fossils
| State federal district or territory | Age | Common name |
|---|---|---|
| Alabama | Eocene | Basilosaurus whale |
| Alaska | Pleistocene | Woolly mammoth |
| Arizona | Triassic | Petrified wood |
| California | Pleistocene | Saber-toothed cat |
Does each state have a state fossil?
Several states have fossils unofficially designated thanks to a fossil being designated as the “State Dinosaur” or “State Stone”. There are 7 states without a state fossil designation, Arkansas, Hawaii, Indiana, Iowa, Minnesota, New Hampshire and Rhode Island.
What is Tennessee state dinosaur?
Pterotrigonia thoracica
Dinosaurs and Fossils by State
| State | Scientific Name | Common Name (age) |
|---|---|---|
| South Dakota | Triceratops | (Dinosaur) |
| Tennessee | Pterotrigonia thoracica | Bivalve (Cretaceous) |
| Texas | Sauropod (Cretaceous) | |
| Utah | Allosaurus | Theropod dinosaur (Jurassic) |
What is your state’s official state fossil?
Choosing the trilobite would have given California the country’s oldest state fossil. Choosing the cat would have given it a fossil with huge, scary teeth. They chose the cat. (Ohio, Pennsylvania, and Wisconsin all picked trilobites.)
Which states have a state dinosaur?
The number changes a bit depending on how the dinos are counted — nine states and DC have official state dinosaurs (Arizona, Arkansas, California, Maryland, Missouri, New Jersey, Oklahoma, Texas, and Wyoming), while six have state fossils that happen to be dinosaurs (Colorado, Montana, New Mexico, South Dakota, Utah
What US state has the most dinosaurs?
Here are the top 15 states with the most dinosaur fossils:
- California- 1,473.
- Wyoming- 1,082.
- Montana- 909.
- Florida- 887.
- New Mexico- 882.
- Utah- 667.
- Colorado- 556.
- Texas- 447.
What states have dinosaur fossils?
States With Dinosaur Fossils
The states that produce the largest number of dinosaur fossils are Montana, Colorado, Utah and Wyoming. For example, over 6,000 different fossils have been found at a single dig site in Emery County in Utah. Researchers believe the specimens at this site date back 100 million years.
Does Texas have a state dinosaur?
Official State Dinosaur of Texas
Texas designated Brachiosaur sauropod, Pleurocoelus as the official state dinosaur in 1997. But in 2007, paleontologists re-identified the bones and footprints (left in the north and central parts of Texas about 95 to 112 million years ago) as Paluxysaurus Jonesi.
Are state dinosaurs a thing?
Some states have official state dinosaur fossils. A state dinosaur is a dinosaur which has been adopted officially as a symbol of that specific state. In some cases, dinosaurs are official state fossils and only some of the US states have official state dinosaurs.
Was Tennessee once underwater?
About four billion years ago the area which is now Tennessee was completely covered with water. The inhabitants of our state during this time were creatures like algae and jellyfish. Several billion years later, land began to emerge from the water as a result of mountain building.
What fossils can you find in Tennessee?
Edmontosaurus is the only land dinosaur fossil found in Tennessee. We have also found other “sea-going” dinosaur fossils. They include the Mosasaur, Plesiosaur, and two different sharks.
Did dinosaurs live in TN?
The Edmontosaurus is a hadrosaur, or duck-billed dinosaur, and these types of dinosaurs once roamed the coastal plains of Tennessee. The McClung Museum also houses actual hadrosaur bones—the only non-avian dinosaur bones ever found in the state—in its Geology and Fossil History of Tennessee permanent exhibit.
Does Alabama have a state dinosaur?
Basilosaurus cetoides is the official state fossil of Alabama.
Does Kansas have a state dinosaur?
Kansas State Fossil – Tylosaurus & Pteranodon.
Does petrified wood turn into rock?
With the wood decaying at a far slower process than usual, it would slowly become infused with minerals which would eventually crystallise, replacing its original fibres. The end result is petrified wood, a fossil of the original piece of tree in the shape and format of a rock.
What states did T Rex live in?
T. rex lived about 66–68 million years ago during the Cretaceous Period in the western United States, including Montana and Wyoming.
Where in the United States did dinosaurs live?
The Late Jurassic Morrison Formation is found in several U.S. states, including Colorado, Utah, Wyoming, Montana, New Mexico, Oklahoma, South Dakota, and Texas. It is notable as being the most fertile single source of dinosaur fossils in the world. The roster of dinosaurs from the Morrison is impressive.
What is a dinosaur with 500 teeth?
Nigersaurus had a delicate skull and an extremely wide mouth lined with teeth especially adapted for browsing plants close to the ground. This bizarre, long-necked dinosaur is characterized by its unusually broad, straight-edged muzzle tipped with more than 500 replaceable teeth.
Where did the meteor that killed the dinosaurs hit?
the Chicxulub crater
The giant asteroid, believed to be the size of Mount Everest, smashed into the Earth at a point now known as the Chicxulub crater. The impact site sits buried beneath the ocean in the Gulf of Mexico – you can see the exact location on Google Maps at the co-ordinates 21.4,-89.516667.
Where has T. rex been found?
Paleontologists have found most T. rex fossils in the Northwest, in states such as Montana and South Dakota. T. rex fossils have also been found in Alberta, Canada.