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The Solifugae are the subject of many legends and exaggerations about their size, speed, behavior, appetite, and lethality. They are not especially large, the biggest having a leg span around 12 cm (4.7 in). [4] They are fast on land compared to other invertebrates, with their top speed estimated to be 16 km/h (10 mph). [3]
Mycteroptidae are a family of eurypterids, a group of extinct chelicerate arthropods commonly known as "sea scorpions". The family is one of three families contained in the superfamily Mycteropoidea (along with Hibbertopteridae and Drepanopteridae), which in turn is one of four superfamilies classified as part of the suborder Stylonurina.
The limbs themselves may be simple tactile organs outwardly resembling the legs, as in spiders, or chelate weapons (pincers) of great size, as in scorpions. The pedipalps of Solifugae are covered in setae, but have not been studied in detail. [1] Comparative studies of pedipalpal morphology may suggest that leg-like pedipalps are primitive in ...
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The common name scorpion spider is derived from its distinctive flat back and carapace orange colouring. [2] This colouring is evident around the mouthpiece and on the anterior aspects of the legs. [2] These similar features of the genus Platyoides in comparison to a scorpion is often why this genus is referred to as the scorpion spider. [2]
Austropallene halanychi, like other sea spiders, houses its vital organs in its legs, and uses its “legs to breathe,” co-author Andrew Mahon told McClatchy News in an email.
The first pair of legs are 11-segmented, the second and third pairs seven-segmented and the fourth pair eight-segmented. [ 8 ] [ 9 ] The family Prokoeneniidae have three pairs of lung-sacs on the fourth, fifth and sixth abdominal segments, although these are not true book lungs as there is no trace of the characteristic leaflike lamellae which ...
In the Stylonurina, this appendage takes the form of a long and slender walking leg, while in the Eurypterina, the leg is modified and broadened into a swimming paddle. [16] Other than the swimming paddle, the legs of many eurypterines were far too small to do much more than allow them to crawl across the sea floor .