Nicylla is a spider

Spider

Spiders are air-breathing arthropods that have eight legs, and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms...

 genus of the Salticidae family (jumping spiders). Its only species, N. sundevalli, occurs only in Burma.

Thorell described a male and a female in 1890. While Eugène Simon

Eugène Simon

Eugène Simon was a French arachnologist. His many taxonomic contributions include categorizing and naming many spiders, as well as creating genera such as Anelosimus, Psellocoptus and Phlogius....

 was unsure where to place the genus, Proszynski (1968) drew the male pedipalp

Pedipalp

Pedipalps , are the second pair of appendages of the prosoma in the subphylum Chelicerata. They are traditionally thought to be homologous with mandibles in Crustacea and insects, although more recent studies Pedipalps (commonly shortened to palps or palpi), are the second pair of appendages of the...

, chelicera and habitus, which indicate that the species is close to Thiania bhamoensis

Thiania bhamoensis

Thiania bhamoensis is a species of jumping spider.-Description:The species is iridescent green-blue. Females are more green, males more blue.From the front view, the female's face are black...

, which also occurs in Burma.

Name

The species is named in honor of Swedish zoologist Carl Jakob Sundevall

Carl Jakob Sundevall

Carl Jakob Sundevall was a Swedish zoologist.Sundevall studied at Lund University, where he became a Ph.D. in 1823. After traveling to East Asia, he studied medicine, graduating as Doctor of Medicine in 1830....

, who described a number of spider species and genera in the 1830s.