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''Haploclastus'' is a
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
n
tarantula Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. , 1,100 species have been identified, with 166 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although ...
s (family Theraphosidae) that was first described by
Eugène Simon Eugène Louis Simon (; 30 April 1848 – 17 November 1924) was a French naturalist who worked particularly on insects and spiders, but also on birds and plants. He is by far the most prolific spider Taxonomy (biology), taxonomist in history, ...
in 1892. The genus '' Phlogiodes'' has been synonymized with ''Haploclastus'' by some authors.


Description

They can be distinguished by the deep and procured fovea, with horizontal thornlike hairs in two or three rows above and below the maxillary. These hairs have a long tapering, they are modified and aligned vertically in a "diffuse" pattern on the
maxilla In vertebrates, the maxilla (: maxillae ) is the upper fixed (not fixed in Neopterygii) bone of the jaw formed from the fusion of two maxillary bones. In humans, the upper jaw includes the hard palate in the front of the mouth. The two maxil ...
.


Taxonomy

The genus ''Haploclastus'' was first described by Eugène Simon in 1892. In 1899, Reginald Pocock erected the genus ''Phlogiodes''. He described two species, ''Phlogiodes validus'' from a male specimen and ''Phlogiodes robustus'' from a female specimen. The relationship between the genera ''Haploclastus'' and ''Phlogiodes'' has varied; in 1985, Raven sank ''Phlogiodes'' into ''Haploclastus''. In 2010, the two ''Phlogiodes'' species were synonymized and transferred to ''Haploclastus'' as ''Haploclastus validus''. In 2013, ''H. validus'' was restored to ''Phlogiodes'', the placement accepted by the
World Spider Catalog The World Spider Catalog (WSC) is an online searchable database concerned with spider taxonomy. It aims to list all accepted families, genera and species, as well as provide access to the related taxonomic literature. The WSC began as a series of ...
.


Species

, the World Spider Catalog accepted seven species, all found in
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
: *'' Haploclastus ajithii'' – India *'' Haploclastus bratocolonus'' – India *'' Haploclastus cervinus'' Simon, 1892 (
type Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * ...
) –
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
*'' Haploclastus montanus'' – India *''
Haploclastus nilgirinus ''Haploclastus'' is a genus of Indian tarantulas (family Theraphosidae) that was first described by Eugène Simon in 1892. The genus ''Phlogiodes'' has been Synonym (taxonomy), synonymized with ''Haploclastus'' by some authors. Description They ...
'' Pocock, 1899 – India *'' Haploclastus satyanus'' (Barman, 1978) – India *''
Haploclastus tenebrosus ''Haploclastus'' is a genus of Indian tarantulas (family Theraphosidae) that was first described by Eugène Simon in 1892. The genus '' Phlogiodes'' has been synonymized with ''Haploclastus'' by some authors. Description They can be distinguis ...
'' Gravely, 1935 – India


Transferred to other genera

*''Haploclastus himalayensis'' (Tikader, 1977) → ''
Chilobrachys himalayensis ''Chilobrachys'' is a genus of Asian Theraphosidae, tarantulas that was first described by Ferdinand Karsch, Ferdinand Anton Franz Karsch in 1892. They are found in India, Myanmar, Malaysia, China, Vietnam, Thailand and Sri Lanka. They are usually ...
'' *''Haploclastus devamatha'' (Prasanth & Sunil Jose, 2014) → ''
Cilantica devamatha ''Cilantica'' is a genus of Indian tarantulas that was described by Mirza in 2024. Two members from '' Haploclastus'' were transferred into the genus along with one new species. They are only found in the Palakkad Gap. Etymology The name is the ...
*''Haploclastus kayi'' (Gravely, 1915) → ''
Cilantica kayi ''Cilantica'' is a genus of Indian tarantulas that was described by Mirza in 2024. Two members from '' Haploclastus'' were transferred into the genus along with one new species. They are only found in the Palakkad Gap. Etymology The name is the ...
'' *''Haploclastus validus'' (Pocock, 1899), syn. ''H. robustus'' (Pocock, 1899) → ''
Phlogiodes validus ''Phlogiodes'' is a genus of spiders in the tarantula family Theraphosidae, found in India. , a single species is accepted, ''Phlogiodes validus''. The species has been transferred back and forth between ''Phlogiodes'' and '' Haploclastus''. Ta ...
''


See also

*
List of Theraphosidae species This page lists all described genera and species of the spider family Theraphosidae. , the World Spider Catalog accepted 1041 species in 156 genera: A ''Acanthopelma'' '' Acanthopelma'' F. O. Pickard-Cambridge, 1897 * '' Acanthopelma beccarii ...


References

Theraphosidae genera Spiders of the Indian subcontinent Theraphosidae {{Theraphosidae-stub