Main Page | See live article | Alphabetical index Loricifera is a small phylum of marine sediment-dwelling animals with about a dozen known species. The phylum was discovered in 1983 by marine biologists. The animals have a head, mouth and digestive system as well as a set of specialized umbrella skeleton like scales at each end that are used to move the animals. There is no circulatory system and no endocrine system. The body cavity is a pseudocoelom with a mouth and an anus. The animals are bisexual and probably oviparous. They have no fossil record. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.