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Belisana aliformis (at Wikispecies) [6] Belisana huberi (at Wikispecies) [7] Belisana lamellaris (at Wikispecies) [8] Belisana zhangi (at Wikispecies) [9] Khorata; Khorata diaoluoshanensis (at Wikispecies) [10] Caponioidea; Caponiidae—family with species with 8, 6, 4 and 2 eyes and some with a variable number of eyes; Tetrablemmidae
Hexophthalma is a genus of spiders in the family Sicariidae. [1] Although the genus was originally erected in 1878 (then with the name Hexomma), it was merged into the genus Sicarius in the 1890s, and remained unused until revived in 2017, when it was discovered that the African species then placed in Sicarius were distinct.
Sicarius spiders can grow up to 1 to 2 inches (25 to 51 mm) long, and have six eyes arranged into three groups of two (known as "dyads"). Physically, they resemble crab spiders and members of the Homalonychus genus. They lack the characteristic violin-shaped marking of the more well-known members of its family, Sicariidae the recluse spiders.
Guayllabamba recluse spiders are considered “medium-sized,” reaching about 0.3 inches in length, researchers said. They have six eyes, eight legs and fangs.
Their eye structure consists of a horizontal row of 6 eyes, with an additional pair above the center of the row. A common misconception is that spiders cannot hear, due to their lack of ears of other common structures. However, these animals do have the ability to sense sound due to macrosetate and filiform hairs on their legs. [4]
[2] [5] The secondary eyes normally have a light-reflecting layer, the tapetum, that makes the eyes appear pale. [6] The tapetum differs considerably between spider families but can be separated into three main types: PT (primitive type), CT (canoe type), and GT (grate type). Some spiders, such as jumping spiders, have no tapetum in their ...
Many other spiders have similar dorsal markings, leading to confusion and misidentification. They can be most readily distinguished by having 6 eyes, arranged in three pairs. None of the pairs of eyes touch each other, and are arranged in a U shape. The presence of two claws per foot and a rather flat cephalothorax further help distinguish them.
We come in contact with it all the time, but the markings on the one-dollar bill remain shrouded in mystery. Until now. 1. The Creature. In the upper-right corner of the bill, above the left of ...