Is Elrathia extinct?
Elrathia is a genus of trilobites in the family Alokistocaridae. This genus is extinct. They are fast moving animals.
How old is Elrathia?
515 Million years old
The Science. These are specimens of Elrathia kingii, a Cambrian period trilobite from the Wheeler Shale in Utah, some 515 Million years old. Quite common trilobites, they are preserved in a black calcite that shows beautifully against the gray matrix, and specimens of Elrathia grace collections all over the world.
Where did Elrathia Kingi live?
Elrathia is a genus of ptychopariid trilobite species that lived during the Middle Cambrian of Utah, and possibly British Columbia. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah.
What are 2 important facts about trilobites?
Trilobites were the first group of animals in the animal kingdom to develop complex eyes. Cambrian Period (about 500 million years ago). Trilobites lived in marine waters. Some trilobites could swim, others burrowed or crawled around on muddy sea floors.
How did trilobites go extinct?
They died out at the end of the Permian, 251 million years ago, killed by the end Permian mass extinction event that removed over 90% of all species on Earth.
What made trilobites so successful?
In this extreme environment, symbiotic sulfur-eating bacteria grew in the gills of the trilobites, providing them with energy. This high diversity in their body types and the ability to adapt to their environment is what made trilobites successful for so long.
What is Elrathia kingii?
Elrathia is a genus of ptychopariid trilobite species that lived during the Middle Cambrian of Utah, and possibly British Columbia. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah. E.
Where is Elrathia found in Utah?
Elrathia. Elrathia is a genus of ptychopariid trilobite species that lived during the Middle Cambrian of Utah, and possibly British Columbia. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah. E.
Where did the name Elrathia come from?
Even though the generic name Elrathia was first published in the combination E. kingii, a species from the House Range, Utah, the name, itself, is derived from Elrath, Cherokee County, Alabama. E. kingii is a medium-sized trilobite with a smooth sub-ovate carapace that is tapered towards the rear.
What are the characteristics of Ese kingii?
E. kingii is a medium-sized trilobite with a smooth sub-ovate carapace that is tapered towards the rear. Thorax is usually 13 segments. Pygidium has four axial rings and a long terminal piece. Posterior margin of the pygidium has a long broad medial notch.