Xenoturbella profunda
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| Xenoturbella profunda | |
|---|---|
 | |
| A living X. profunda | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Xenacoelomorpha |
| Family: | Xenoturbellidae |
| Genus: | Xenoturbella |
| Species: | X. profunda |
| Binomial name | |
| Xenoturbella profunda | |
Xenoturbella profunda, the purple sock or sock worm,[2] is a marine, benthic, deep-water worm-like species that belongs to the family Xenoturbellidae.[3] It was discovered in the eastern Pacific Ocean by a group of Californian and Australian scientists.[4][5][6] The species was described in 2016 from seven specimens.[1][3]
X. profunda shares morphological similarities with other species of the genus Xenoturbella and is known for lacking a respiratory, circulatory, and excretory system.[7]