''Gradungula'' is a

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 "unisp ...

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 South Pacific large-clawed spiders containing the single species, ''Gradungula sorenseni''. It is only found in

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

. __TOC__

Etymology

The genus name is derived from

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

' "step" and ' "claw", referring to the enlarged front leg claws of this

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), ...

. These claws also occur in other species of the family

Gradungulidae Gradungulidae, also known as large-clawed spiders, is a spider family endemic to Australia and New Zealand. They are medium to large-sized haplogyne spiders with three claws and two pairs of book-lungs similar to Mygalomorphae. Some species buil ...

. The species name "''sorenseni''" is named after Jack Sorensen, the discoverer of the species.

Taxonomy

''Gradungula sorenseni'' was first described by Raymond Robert Forster in 1955.

Distribution

''Gradungula sorenseni'' is distributed in forests throughout the western

South Island The South Island ( , 'the waters of Pounamu, Greenstone') is the largest of the three major islands of New Zealand by surface area, the others being the smaller but more populous North Island and Stewart Island. It is bordered to the north by ...

and throughout Stewart Island. Forster, R. R., Platnick, N. I. & Gray, M. R. (1987). A review of the spider superfamilies Hypochiloidea and Austrochiloidea (Araneae, Araneomorphae). ''Bulletin of the American Museum of Natural History'' 185: 1-116.

References

Gradungulidae Monotypic Araneomorphae genera Endemic spiders of New Zealand Taxa named by Raymond Robert Forster {{Araneomorphae-stub