"Ctenocyst" Natural Recordings by Native Speakers
Ctenocyst is a type of fossilized marine animal, specifically a type of extinct echinoderm that dates back to the Cambrian period, around 541-485 million years ago. Ctenocysts were likely small, pelagic animals that lived in the oceans and were characterized by their ctenoid (comb-like) appendages. They are considered important index fossils, helping scientists to date and correlate rock layers and understand the evolution of marine life during the Cambrian period.
Here are 5 usage examples based on the word "ctenocyst":
The Ce financing familiy (Ctenizidae) is a family of arachnids, commonly known as tailless whip scorpions or ctenizid trapdoor spiders. They are characterized by their elongated bodies and long, thread-like appendages that they use to burrow into the soil. Despite their scorpion-like appearance, they are actually quite harmless to humans and mainly feed on insects and other small invertebrates.