''Stygnomma spiniferum'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of armoured

harvestman The Opiliones (formerly Phalangida) are an order of arachnids, colloquially known as harvestmen, harvesters, harvest spiders, or daddy longlegs (see below). , over 6,650 species of harvestmen have been discovered worldwide, although the total n ...

in the

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 ...

Stygnommatidae Stygnommatidae is a small neotropical family of the harvestman infraorder Grassatores with about thirty described species. (2007): Stygnommatidae. Roewer, 1923. In: Pinto-da-Rocha ''et al.'' 2007: 229ff Description Stygnommatidae range from thre ...

. It is found in North America.

Subspecies

These three

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

belong to the species ''Stygnomma spiniferum'': * ''Stygnomma spiniferum bolivari'' (Goodnight and Goodnight, 1945)^{i c g} * ''Stygnomma spiniferum spiniferum'' (Packard, 1888)^{i c g} * ''Stygnomma spiniferum tancahense'' Goodnight and Goodnight, 1951^{i c g} Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net

Subspecies

References

Further reading