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  1. Mar 19, 2024 · The hidden pairs of eyes weren’t a total surprise to the researchers. In 2014, a 305-million-year-old fossilized daddy longlegs found in eastern France had four total eyes —two more than today ...

  2. Mar 1, 2024 · March 1, 2024. Guilherme Gainett, then a biologist at the University of Wisconsin-Madison, was looking through a microscope at the embryo of a daddy longlegs when he saw it — or, rather, saw ...

  3. Mar 14, 2024 · Despite its two-eyed appearance, Phalangium opilio has six peepers. The four extra eyes — leftovers of evolution — shed light on the evolutionary history of daddy longlegs. ljphoto7/iStock ...

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  5. P. opilio is a member of the Eupnoi suborder of Opiliones. Distribution. P. opilio has a mostly Holarctic distribution and is the most widespread harvestman species worldwide, occurring natively in Europe, North and Central Asia, and Asia Minor. The species has been introduced to North America, North Africa and New Zealand from Europe.

  6. Mar 25, 2024 · Phalangium opilio. Adult Phalangium opilio were collected between 2017 and 2022 in Madison, Wisconsin (USA). Animals were kept at the laboratory housed in plastic containers containing small plastic dishes with moist coconut fiber used as egg-laying surfaces.

  7. Aug 4, 2021 · (a) Phalangium opilio draft genome assembly. The draft assembly of the P. opilio genome comprises 580.4 Mbp (37.5% GC content) in 5137 scaffolds (N50: 211 089) and 8349 contigs (N50: 127 429; electronic supplementary material, figure S1 and table S5). The predicted genome repetitiveness is 54.4% and estimated heterozygosity is 1.24%.

  8. About. The Common harvestman is familiar to us as the long-legged, small-bodied spider-like creature that frequents gardens and houses. Harvestmen are a common and widespread group of long-legged invertebrates and about 25 species live in the UK. They are arachnids, related to spiders and scorpions. Many are predators, eating smaller ...