''Neostenotarsus'' is a genus of theraphosid

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 ...

, in the

Theraphosinae The Theraphosinae are a large subfamily of Mygalomorphae spiders in the family Theraphosidae found in the Neotropical realm. Genera The subfamily Theraphosinae includes these genera: * '' Acanthoscurria'' * '' Aenigmarachne'' * ''Aphonopelma' ...

subfamily. It is native to

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

. It is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

, the only species being ''Neostenotarsus scissistylus''.''Neostenotarsus scissistylus'' Tesmoingt & Schmidt, 2002
''World Spider Catalog''. Natural History Museum of Bern. Retrieved February 21, 2016.

Taxonomy

The sole species was described in 2002 by

Marc Tesmoingt Marc or MARC may refer to: People * Marc (given name), people with the first name * Marc (surname), people with the family name Acronyms * MARC standards, a data format used for library cataloging, * MARC Train, a regional commuter rail system of ...

and

Gunter Schmidt Gunter Schmidt (born 22 November 1938) is a German sexologist, psychotherapist and social psychologist. He was born in Berlin. Schmidt was the director of the centre for sexual research in the clinic of the University Medical Center Hamburg-Eppe ...

as ''Stenotarsus scissistylus''. However, the genus name was found to be occupied by the cold-enduring beetle, ''

Stenotarsus ''Stenotarsus'' is a genus of handsome fungus beetles in the family Endomychidae Endomychidae, or handsome fungus beetles, is a family of beetles with representatives found in all biogeographic realms. There are around 120 genera and 1300 spec ...

'',Oldřich Nedvê
''Chill tolerance in the tropical beetle Stenotarsus rotundus''
''Pubmed''. National Center for Biotechnology Information. Retrieved February 21, 2016. and the name was changed to ''Neostenotarsus scissistylus''. ''Neostenotarsus'' translates as ''"new thin foot"'' (

Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic peri ...

; στενος = "thin", ταρσυς = "foot"), and ''scissistylus'' from

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

"''scissus''": "torn" or "tattered"; and Greek "στυλος": "keel", referring to the

embolus An embolus (; plural emboli; from the Greek ἔμβολος "wedge", "plug") is an unattached mass that travels through the bloodstream and is capable of creating blockages. When an embolus occludes a blood vessel, it is called an embolism or emb ...

.Tesmoingt, M. & Schmidt, G. (2002). ''Stenotarsus scissistylus'' gen. et sp. n. (Theraphosidae: Theraphosinae), eine Vogelspinne aus Französisch Guyana. Tarantulas of the World 76: 3-12.

Characteristics

''N. scissistylus'' has (in the male) a deeply rutted keel on the embolus, which is distally widened. In the female, the

spermatheca The spermatheca (pronounced plural: spermathecae ), also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, oligochaeta worms and certain other ...

e are widely fused with two little heads of different shape. In both sexes the

fovea Fovea () (Latin for "pit"; plural foveae ) is a term in anatomy. It refers to a pit or depression in a structure. Human anatomy *Fovea centralis of the retina * Fovea buccalis or Dimple * Fovea of the femoral head * Trochlear fovea of the fr ...

is procurved.

References

{{Taxonbar, from=Q10798144 Theraphosidae Spiders of South America Monotypic Theraphosidae genera