Dwarf-spider
Guides
Agnyphantes
Agnyphantes is a genus of dwarf spiders (family Linyphiidae) containing only two species: A. arboreus and A. expunctus. The genus was established by J. E. Hull in 1932. These spiders belong to the sheet-web weaving spiders, though specific details about their biology remain poorly documented.
Agyneta angulata
Agyneta angulata is a sheet-web weaving spider in the family Linyphiidae, originally described by Emerton in 1882 under the name Bathyphantes angulatus. The species occurs across North America in the United States and Canada. As a member of the genus Agyneta, it belongs to a diverse group of small spiders commonly known as dwarf spiders or money spiders.
Aphileta misera
Aphileta misera is a species of dwarf spider in the family Linyphiidae. It has a broad distribution spanning North America, Europe, and Russia from Siberia to the Far East. As a member of the sheet-web weaving spiders, it constructs small webs in low vegetation. The species was first described by O. Pickard-Cambridge in 1882.
Baryphyma trifrons
Threefront Dwarf Weaver
Baryphyma trifrons is a dwarf spider (family Linyphiidae) with a Holarctic distribution spanning North America, Europe, the Caucasus, and across Russia to the Far East. The species was first described by O. Pickard-Cambridge in 1863. Two subspecies are recognized: B. t. trifrons and B. t. affine. It is one of approximately 4,600 species in Linyphiidae, the second-largest spider family.
Bathyphantes
dwarf spiders, sheetweb weavers
Bathyphantes is a genus of dwarf spiders (family Linyphiidae) comprising approximately 57 species distributed across the Holarctic region, with additional species in South America, Africa, Asia, and Oceania. These small spiders construct sheet webs and are characterized by complex male pedipalps and female epigyna used for species identification. The genus was first described by Anton Menge in 1866. At least one species, Bathyphantes simillimus, exhibits a triennial life cycle potentially adapted to cooler environments.
Carcinocephalus
Carcinocephalus is a genus of dwarf spiders (Linyphiidae: Erigoninae) characterized by distinctive cephalic modifications. These minute sheet-web building spiders are among the smallest arachnids, typically measuring only a few millimeters in length. The genus name refers to the crab-like or projecting head structure found in males. Members of this genus construct flat, sheet-like webs and are generally associated with ground-level or low vegetation habitats.
Centromerus
dwarf spiders
Centromerus is a genus of dwarf spiders in the family Linyphiidae, containing approximately 88 species and two subspecies. The genus has a broad distribution spanning the Holarctic region, with species recorded across Europe, North America, Asia, and North Africa. Many species exhibit restricted geographic ranges, while a few such as C. sylvaticus have exceptionally wide distributions. The genus was established by Dahl in 1886.
Ceraticelus artemisiae
A small dwarf spider (subfamily Erigoninae) described from southern California in 2009. Often found co-occurring with its probable sister species Ceraticelus phylax, with which it shares distinctive male palpal bulb morphology. The genus Ceraticelus is taxonomically problematic due to inadequate definition and superficial treatment of diagnostic characters.
Ceraticelus bulbosus
dwarf spider
Ceraticelus bulbosus is a species of dwarf spider in the family Linyphiidae. It has been recorded across a broad geographic range spanning North America and Eurasia, including the Netherlands, Germany, Poland, Finland, and Russia from Europe to the Far East. The species was first described by Emerton in 1882. As a member of the subfamily Erigoninae, it belongs to a diverse group of small spiders commonly known as dwarf or money spiders.
Ceraticelus crassiceps
Thick-headed Dwarf Weaver
Ceraticelus crassiceps is a dwarf spider in the family Linyphiidae, described by Chamberlin and Ivie in 1939. It belongs to the subfamily Erigoninae, commonly known as dwarf spiders or money spiders. The species occurs in North America, with records from the United States and Canada.
Ceraticelus emertoni
Ceraticelus emertoni is a species of dwarf spider in the family Linyphiidae, subfamily Erigoninae. It is known from the United States. As a member of the dwarf spiders, it is likely small-bodied and ground-dwelling or associated with low vegetation, though specific natural history details remain poorly documented.
Ceraticelus fissiceps
dwarf spider
Ceraticelus fissiceps is a species of dwarf spider in the family Linyphiidae. It serves as the type species for the genus Ceraticelus, and examination of its specimens has been used to establish a formal definition of the genus. The species is found in the United States and Canada, with records from multiple provinces across Canada including Alberta, British Columbia, and Manitoba. As a sheet-web weaving spider in the Linyphiidae family, it likely constructs small horizontal webs in vegetation.
Ceraticelus minutus
dwarf spider
Ceraticelus minutus is a species of dwarf spider in the family Linyphiidae, first described by James Henry Emerton in 1882. It is one of the smallest North American spiders, typically measuring only 1–2 mm in body length. The species is distributed across the United States and Canada, with records from provinces including Alberta, Manitoba, and Ontario. Like other linyphiids, it constructs small sheet webs close to the ground in vegetation.
Ceraticelus similis
dwarf spider
Ceraticelus similis is a species of dwarf spider in the family Linyphiidae, first described by Nathan Banks in 1892. It belongs to a diverse family of small spiders commonly known as sheet-web weavers or money spiders. The species is known from the United States and has been recorded in Alberta, Canada.
Ceratinella
dwarf spiders
Ceratinella is a genus of dwarf spiders in the family Linyphiidae, first described by James Henry Emerton in 1882. As of January 2026, the genus comprises 28 recognized species. Members are morphologically similar to the related genera Ceraticelus and Idionella, and taxonomic revisions affecting these groups are anticipated.
Ceratinops
Ceratinops is a genus of dwarf spiders in the family Linyphiidae, restricted to North America. First described by Nathan Banks in 1905, this genus contains small-bodied species that inhabit diverse terrestrial environments. Members of this genus are part of the sheet-web building spider fauna, though specific behavioral details remain poorly documented for most species.
Ceratinopsidis formosa
Ceratinopsidis formosa is a species of dwarf spider in the family Linyphiidae. It is the sole member of its genus, which was established by Bishop and Crosby in 1930. The species was originally described by Banks in 1892. Very little is known about its biology or ecology.
Ceratinopsis interpres
dwarf spider
Ceratinopsis interpres is a species of dwarf spider in the family Linyphiidae, first described by O. Pickard-Cambridge in 1874. It belongs to a genus of small sheet-web weavers. The species is known from limited observations in the United States.
Ceratinopsis nigripalpis
Ceratinopsis nigripalpis is a species of dwarf spider in the family Linyphiidae, first described by Emerton in 1882. It is one of numerous small-bodied spiders in the genus Ceratinopsis, which are characterized by their sheet-web building behavior. The species is known from the United States and Canada.
Collinsia plumosa
dwarf spider
Collinsia plumosa is a species of dwarf spider in the family Linyphiidae, first described by James Henry Emerton in 1882. It belongs to a diverse family of small spiders commonly known as sheet-web weavers or money spiders. The species has been recorded from multiple locations across the United States and Canada, though specific details about its biology remain limited in the available literature.
Dicymbium
dwarf spiders
Dicymbium is a genus of dwarf spiders in the family Linyphiidae, established by Anton Menge in 1868. The genus name refers to the distinctive male palpal morphology, specifically a cup-shaped projection on the palpal tibia that surrounds the cymbium dorsally. The genus contains eight species and one subspecies distributed across the Northern Hemisphere, including Europe, Asia, and North America.
Diplocentria
dwarf spiders
Diplocentria is a genus of dwarf spiders in the family Linyphiidae, first described by J. E. Hull in 1911. The genus contains eight recognized species distributed across North America, Europe, and Asia. These small spiders are part of the sheet-web weaving guild within their family.
Diplocentria bidentata
dwarf spider
Diplocentria bidentata is a species of dwarf spider in the family Linyphiidae, first described by Emerton in 1882. It is a small-bodied spider with a broad geographic distribution spanning the Holarctic region. The species has been recorded across North America, Europe, Russia (from European Russia to the Far East), and China. As a member of Linyphiidae, it is presumed to construct small sheet webs, though specific behavioral observations remain limited.
Diplocentria rectangulata
Diplocentria rectangulata is a sheet web spider in the family Linyphiidae, first described by Emerton in 1915. The species occurs across northern regions of the Northern Hemisphere, including North America and Eurasia. As with other linyphiids, it constructs horizontal sheet webs to capture prey. It is among the smaller spiders, consistent with the dwarf spider morphology typical of this family.
Diplocephalus
Diplocephalus is a genus of dwarf spiders in the family Linyphiidae, subfamily Erigoninae, first described by Philipp Bertkau in 1883. The genus contains 49 species and one subspecies with a wide geographic distribution. Males of at least some species possess specialized glandular head structures that produce secretions transferred to females during courtship to trigger copulation. The genus is part of the diverse sheet-weaving spider fauna.
Diplocephalus subrostratus
dwarf spider
Diplocephalus subrostratus is a dwarf spider in the family Linyphiidae, first described by O. Pickard-Cambridge in 1873. The species exhibits a Holarctic distribution spanning North America, Greenland, and a broad range across Russia from Europe to the Far East, including Mongolia. Like other linyphiids, it is a small-bodied spider, though specific morphological and ecological details remain poorly documented in published literature.
Disembolus
dwarf spiders
Disembolus is a genus of dwarf spiders in the family Linyphiidae, first described in 1933. The genus contains 24 species distributed across North America, with most species occurring in the United States and some extending into Canada. As members of the sheet-web weaving family Linyphiidae, these spiders construct horizontal webs to capture prey. The type species, Disembolus stridulans, was described in the original genus description.
Dismodicus
dwarf spiders
Dismodicus is a genus of dwarf spiders in the family Linyphiidae, first described by Eugène Louis Simon in 1884. The genus contains six species distributed across the Northern Hemisphere, with centers of diversity in Europe and North America. These spiders are part of the sheet-web weaving guild, constructing horizontal webs close to the ground.
Emertongone
Emertongone is a monotypic genus of dwarf spiders in the family Linyphiidae. It was erected in 2022 to accommodate the species Emertongone montifer, previously classified under Oedothorax. The genus is known only from the United States. It belongs to the diverse sheet-web weaving spiders.
Emertongone montifer
Lineweaving Spider
Emertongone montifer is a dwarf spider and the sole species in the monotypic genus Emertongone. Originally described as Lophocarenum montiferum in 1882, it was later transferred to Oedothorax before being placed in its current genus in 2022 based on phylogenetic work by Lin, Lopardo & Uhl. It is a member of the sheet-web weaving family Linyphiidae and is known only from the United States.
Entelecara acuminata
dwarf spider
Entelecara acuminata is a dwarf spider species in the family Linyphiidae, a group commonly known as sheet-web weavers or money spiders. The species has a broad distribution spanning the Palearctic and Nearctic regions. It has been introduced to North America from its native Eurasian range.
Epiceraticelus mandyae
Epiceraticelus mandyae is a species of sheet-web weaving spider in the family Linyphiidae, described in 2019 from specimens collected in the United States. It belongs to a small genus of dwarf spiders characterized by distinctive genitalic morphology. The species was named in honor of arachnologist Mandy Howe. As a recently described species with limited published records, its biology and ecology remain poorly documented.
Eridantes
dwarf spiders
Eridantes is a genus of dwarf spiders (family Linyphiidae, subfamily Erigoninae) established by Crosby & Bishop in 1933. The genus contains three described species: E. diodontos, E. erigonoides, and E. utibilis. It is distinguished from similar genera by two proposed synapomorphies: the mesal (rather than ectal) position of the paracymbium, and the broadly divided dorsal and ventral sclerites of the largely membranous radix. Species-level identification relies on detailed morphological characters including cephalic lobe height, prosomal pit position, male palpal tibia form, and the convolution of the m-shaped carinae of the female epigynum.
Eridantes erigonoides
Eridantes erigonoides is a dwarf spider in the family Linyphiidae and the type species of the genus Eridantes. It is distinguished from the related E. diodontos by morphological features including a lower cephalic lobe, different position of the prosomal pit, and distinct male palpal tibia structure. The species possesses pectinate tarsal claws, a trait used in distinguishing the genus from similar taxa.
Erigone
dwarf spiders
Erigone is a genus of dwarf spiders in the family Linyphiidae, first described by Jean Victoire Audouin in 1826. Members of this genus are small-bodied spiders characterized by distinctive teeth bordering the carapace. They are carnivorous, preying on small insects. The genus is well-represented in temperate regions with numerous described species.
Erigone blaesa
Erigone blaesa is a dwarf spider species in the family Linyphiidae, first described by Crosby & Bishop in 1928. It is a small sheet-web spider distributed across northern North America. The species has been documented in multiple Canadian provinces and the United States.
Erigone capra
Erigone capra is a species of sheet-web weaving spider in the family Linyphiidae, first described by Eugène Simon in 1884. The species is known from North America and Eurasia, with records spanning from western Canada to Russia. As a member of the dwarf spider family, it constructs flat, horizontal webs close to the ground in vegetation. Taxonomic status varies between sources: Catalogue of Life treats it as accepted, while GBIF lists it as a synonym of Erigone dentigera.
Erigone dentigera
Teethed Dwarf Weaver
Erigone dentigera is a small dwarf spider in the family Linyphiidae, commonly known as the Teethed Dwarf Weaver. It has a Holarctic distribution spanning North America, Europe, the Caucasus, and Russia's Far East. The species was first described by O. Pickard-Cambridge in 1874. Like other members of the genus Erigone, it is a minute ground-dwelling spider.
Erigone dentosa
Hook-toothed Money Spider
Erigone dentosa is a dwarf spider in the family Linyphiidae, commonly known as money spiders. The species is native to North and Central America, with a documented range from the United States through Mexico to Guatemala. It has been introduced to Europe, with established populations recorded in Belgium. The specific epithet 'dentosa' refers to toothed structures, likely describing features of the genitalia used in species identification.
Estrandia
Estrandia is a monotypic genus of dwarf spiders in the family Linyphiidae, containing only the species Estrandia grandaeva. First described by H. H. Blauvelt in 1936, this genus has a restricted distribution across parts of East Asia. As a member of the sheet-web weaving spiders, it shares family characteristics of small body size and web-building behavior, though specific details about its biology remain limited.
Floricomus
dwarf spiders
Floricomus is a genus of dwarf spiders in the family Linyphiidae, first described by C. R. Crosby and S. C. Bishop in 1925. The genus is endemic to North America, with species recorded from the United States and Canada. As of 2019, it comprises thirteen described species. These spiders belong to the sheet-web building family Linyphiidae, though specific web architectures for Floricomus species remain poorly documented.
Frederickus coylei
Frederickus coylei is a species of dwarf spider in the family Linyphiidae, a large family of small spiders commonly known as sheet-web weavers or money spiders. The species was described in 2008 and is known from the United States and Canada. As a member of Linyphiidae, it likely constructs sheet webs to capture prey, though specific behavioral observations for this species are limited.
Glyphesis
dwarf spiders
Glyphesis is a genus of dwarf spiders (Linyphiidae) established by Eugène Louis Simon in 1926. The genus contains seven described species distributed across North America, Europe, and Asia. Several species are considered rare, with limited known localities. The genus is taxonomically stable and accepted in major arachnological databases.
Gnathonaroides
Gnathonaroides is a monotypic genus of sheet-web weaving spiders (family Linyphiidae) containing the single species Gnathonaroides pedalis. It was described in 1938 by arachnologists S. C. Bishop and C. R. Crosby. The genus is known only from Canada and the United States, with extremely limited observational records.
Gnathonaroides pedalis
Gnathonaroides pedalis is a dwarf spider and the sole species in the monotypic genus Gnathonaroides. First described by Emerton in 1923 and later placed in its current genus by Bishop & Crosby in 1938, this small linyphiid spider is known only from Canada and the United States. As a sheet-web weaver, it belongs to one of the most species-rich families of spiders.
Gonatium
Gonatium is a genus of dwarf spiders (family Linyphiidae) comprising twenty species as of 2025. The genus was established by Anton Menge in 1868 and exhibits a broad geographic distribution spanning Europe, Asia, North Africa, and North America. Species within this genus occupy diverse habitats from Mediterranean regions to boreal and montane environments.
Gonatium crassipalpum
dwarf spider
Gonatium crassipalpum is a dwarf spider in the family Linyphiidae, first described by Bryant in 1933. It is a small-bodied species distributed across the United States and Canada. The specific epithet 'crassipalpum' refers to thickened or stout pedipalps. Records indicate presence in multiple Canadian provinces including Alberta, British Columbia, and Manitoba.
Grammonota capitata
Grammonota capitata is a species of dwarf spider in the family Linyphiidae, first described by Emerton in 1924. It belongs to a large family of small sheet-web weaving spiders commonly known as money spiders or sheet-web weavers. The species has been recorded from the United States and parts of Canada including Alberta, Manitoba, and Ontario.
Grammonota gentilis
dwarf spider
Grammonota gentilis is a species of dwarf spider in the family Linyphiidae, first described by Nathan Banks in 1898. It belongs to a large family of small sheet-web weaving spiders commonly known as money spiders or dwarf spiders. The species has been recorded from North America, with specific observations from Alberta, Canada and the United States.
Grammonota gigas
Grammonota gigas is a species of dwarf spider in the family Linyphiidae, first described by Nathan Banks in 1896. The specific epithet "gigas" (meaning "giant") suggests relatively large size compared to congeners, though this is not explicitly documented in available sources. Records indicate presence in the United States and multiple Canadian provinces.