Facts About Crinoid that Will Blow Your Mind

1. Facts About Crinoid that Will Blow Your Mind Crinoids are intriguing animals that have been around for around 450 million years and can still be found in the oceans today. Also known as the “living fossil,” the crinoids are members of the phylum Echinodermata. The species is the same as that of starfish, sea urchins, and sand dollars. You’d be surprised to know that crinoids are alive and well and living in an ocean near you! They are also some of the oldest fossils on the planet. The earliest traces of known crinoids are from the Ordovician period, and there are approximately 625 species of crinoids still surviving today. “Crinoidea” is derived from “krinon,” which is Greek for “a lily.”, so perhaps this is why Crinoids are also commonly known as sea lilies. If you are already intrigued by crinoids, you can get crinoid fossils for sale at Buried Treasure Fossils. Here are a few facts about these creatures that will absolutely blow your mind. Where Do They Live? The crinoid habitat is mainly found in Grand Bahamas islands, marine regions of North America, and Australia at the great barrier reef with a lot of diversity and across Japan and West Indies. Since the ocean floor serves as a fertile ground for fossilization to occur, crinoids are found in depths of over 3,935 feet. How Long Do They Live? Research shows that crinoids lived in the ocean for around 450 million years. In fact, they are the earliest known creatures as they first appeared in the seas around 300 million years before dinosaurs. How Do They Reproduce?

2. Some crinoids have their gonads located in the arms, while others have them in the genital canal. The germ cells produce their sperm and eggs in the enclosed genital coeloms across their arms. However, in certain genera, the eggs are fertilized using secretions from the epidermal glands. Once these eggs hatched, they produced free-swimming vitellaria larva. Are you enamored by the world of dinosaurs and crinoids and are looking to get your hands on some rare fossils? You can get these treasures, such as Pachycephalosaurus teeth, Ankylosaurus fossils, and crinoid fossils at Buried Treasure Fossils. Source - https://ext-5750661.livejournal.com/2978.html