''Olin platnicki'' is the only species in the monotypic

spider Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species ...

genus ''Olin'' in the family Trachycosmidae. It is native to

Christmas Island Christmas Island, officially the Territory of Christmas Island, is an Australian external territory comprising the island of the same name. It is located in the Indian Ocean, around south of Java and Sumatra and around north-west of the ...

and Sulawesi.

Taxonomy

The genus and species were first described in 2001 by Christa L. Deeleman-Reinhold. The generic name "''Olin''" was a random combination of letters, and the specific name "''platnicki''" is in honour of

Norman Platnick Norman Ira Platnick (December 30, 1951 – April 8, 2020) was an American biological systematist and arachnologist. At the time of his death, he was a professor emeritus of the Richard Gilder Graduate School and Peter J. Solomon Family Curator ...

Characteristics

''Olin'' has long and projected

chelicera The chelicerae () are the mouthparts of the subphylum Chelicerata, an arthropod group that includes arachnids, horseshoe crabs, and sea spiders. Commonly referred to as "jaws", chelicerae may be shaped as either articulated fangs, or similarly ...

e, and a relatively broad and low carapace, with the maxillae long and nearly parallel, with depressions laterally. There is little

sexual dimorphism Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most an ...

and no elongation on the fourth

trochanter A trochanter is a tubercle of the femur near its joint with the hip bone. In humans and most mammals, the trochanters serve as important muscle attachment sites. Humans are known to have three trochanters, though the anatomic "normal" includes ...

or coxae.

References

Trochanteriidae Spiders described in 2001 Spiders of Asia {{Trochanteriidae-stub