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Scaberiloricus

Genus of marine invertebrate From Wikipedia, the free encyclopedia

Scaberiloricus is a monospecific genus, with its only species being Scaberiloricus samba.

Phylum:Loricifera
Order:Nanaloricida
Family:Pliciloricidae
Genus:Scaberiloricus
Sørensen, Herranz, Neves, Kristensen & Garraffoni, 2023
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Scaberiloricus
Electron micrographs of scaberiloricus samba early instar.
Line art drawings of Scaberiloricus samba early instar Higgins-larva.
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Loricifera
Order: Nanaloricida
Family: Pliciloricidae
Genus: Scaberiloricus
Sørensen, Herranz, Neves, Kristensen & Garraffoni, 2023
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Taxonomy

Scaberiloricus samba was found using the craft R/V1 Ocean Stalwart. It collected samples from northwest to southeast. It traveled sideways to the continental shelf of Brazil, between São Sebastião and Rio de Janeiro.[1]

To discover the relationships and species of the specimens found, scientists analyzed it along with 25 other species' Higgins-larvae.[1]

Etymology

Scaberiloricus comes from the Latin scaber-, meaning "rough" and Latin -loricus, meaning "lorica". The name refers to the zigzagged rugae seen in the thorax.[1]

Traits

The features of adults are unknown.[1]

Higgins-larvae

Some features of this species' Higgins-larvae include:

  • Small rounded heads, the front of which are smooth, while the back sides have multiple folds, except for areas with scalids.[1]
  • A compressed area behind the head.[1]
  • A lengthy trunk2.[1]
  • Eight rows of scalids.[1]
  • Mouth cone including eight indented lines and teeth.[1]
  • Thorax has over 40 zigzagged folds.[1]
  • Abdomen with around 20 straighter folds. The abdomen is very slightly shorter than the thorax.[1]
  • Of the frontal hair-like structures, one pair is abdominal, while the other is found on the sides.[1]
  • Lengthy, thin toes with tips pointed away from the body. The toes are supported by plates connecting them to the body.[1]

Scalid rows

  • The sixth row of scalids3 have pointed tips.[1]
  • The seventh row of scalids are split into two parts (each scalid is split).[1]
  • The eighth row of scalids alternates between scalids split into three parts and scalids with the shape of a kite.[1]

Notes

^1 R/V stands for Research Vessel.[2][3]

^2 In the phases between molts, the trunk has a similar width to the head.[1]

^3 Rows start counting from the inside to the outside, and are found on the introvert.[1]

References

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