Assertion: mantis | /r/AtLocation | existence
Facets:
value: for a very long time
type: TEMPORAL
Source sentences:
text: Mantises have long been in existence, they were once placed in the same order as cockroaches and rock crawlers, the name was formed from the ancient Greeks and it was coined in 1838 by the German entomologist Hermann Burmeister while the praying Mantis came from Europe because the insect has a typical prayer like structure.
text: If you have been following through from the article, you will know that mantises have been in existence for a very long time now, the earliest mantis fossils are about 135 million years old from Siberia which decreased over time from year to year till only 25 fossil species were known in the year 2007.