Loricifera
Phylum of tiny marine invertebrates / From Wikipedia, the free encyclopedia
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Loricifera | |
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Pliciloricus enigmaticus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Subkingdom: | Eumetazoa |
Clade: | ParaHoxozoa |
Clade: | Bilateria |
Clade: | Nephrozoa |
(unranked): | Protostomia |
Superphylum: | Ecdysozoa |
Phylum: | Loricifera Kristensen, 1983[2] |
Families | |
This article may be too technical for most readers to understand. (April 2022) |
Loricifera (from Latin, lorica, corselet (armour) + ferre, to bear) is a phylum of very small to microscopic marine cycloneuralian sediment-dwelling animals with 43 described species.[3] and approximately 100 more that have been collected and not yet described.[4] Their sizes range from 100 μm to ca. 1 mm.[5]
They are characterised by a protective outer case called a lorica and their habitat is in the spaces between marine gravel to which they attach themselves. The phylum was discovered in 1983 by R.M. Kristensen, near Roscoff, France.[6] They are among the most recently discovered groups of animals.[7] They attach themselves quite firmly to the substrate, and hence remained undiscovered for so long.[8] The first specimen was collected in the 1970s, and described in 1983.[7] They are found at all depths, in different sediment types, and in all latitudes.[8]