Amycoida is an unranked

clade In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...

of the

jumping spider Jumping spiders are a group of spiders that constitute the family (biology), family Salticidae. , this family contained over 600 species description, described genus, genera and over 6,000 described species, making it the largest family of spide ...

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Salticidae. It is the smaller and less widespread of the two subdivisions of the "typical" jumping spiders (subfamily

Salticinae Salticinae is a subfamily of jumping spiders (family Salticidae). It includes over 90% of the known species of jumping spiders. The subfamily is divided into two unranked clades: Amycoida and Salticoida. Description Members of the subfamily Sal ...

), occurring mainly in the

New World The term "New World" is used to describe the majority of lands of Earth's Western Hemisphere, particularly the Americas, and sometimes Oceania."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: ...

, particularly the

Amazon basin The Amazon basin is the part of South America drained by the Amazon River and its tributary, tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries ...

. Its

sister clade In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree. Definition The expression is most easily illustrated by a cladogram: Taxon A and ...

is the

Salticoida Salticoida is an unranked clade of the jumping spider family Salticidae. It is the larger and more widespread of the two subdivisions of the "typical" jumping spiders (subfamily Salticinae), occurring effectively world-wide. Its sister clade is ...

Definition

Amycoida is formally defined as the smallest clade containing '' Cotinusa'', '' Sitticus'', ''

Breda Breda ( , , , ) is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in the southern part of the Netherlands, located in the Provinces of the Netherlands, province of North Brabant. ...

'', '' Sarinda'', '' Synemosyna'', and '' Amycus''.

Subdivisions

Amycoida is divided into nine tribes, with about 63 genera (two of which are unplaced in a tribe) and about 430 described species. Many more species are thought to be undescribed as yet. Sitticini has the largest number of species (about 120). It is the only tribe to have reached the

Old World The "Old World" () is a term for Afro-Eurasia coined by Europeans after 1493, when they became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia in the Eastern Hemisphere, previously ...

, particularly the genus '' Attulus'' (formerly ''Sitticus''). Amycini has the next largest number of species (about 110). Amycines are mostly foliage-dwellers. Many are excellent jumpers;

Wayne Maddison Wayne Paul Maddison (born 1958) is a Canadian evolutionary biologist, arachnologist, and biological illustrator. He is Canada Research Chair in Biodiversity and a professor at the departments of zoology and botany at the University of British ...

recorded a 5.2 mm juvenile '' Hypaeus'' species jumping 25 cm on a horizontal surface (more than 45 times its body length).

References

{{taxonbar, from1=Q64683227 Salticidae