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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 ...

  4. 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.

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  6. Aug 5, 2021 · How the daddy-long-legs gets long legs. A single genetic toolkit gives rise to the spider-lookalike’s slender gams and to the grasping legs of related animals. A daddy-long-legs of the species ...

  7. Bachmann, E. and M. Schaefer. 1983. Notes on the life cycle of Phalangium opilio (Arachnida: Opilionida). Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg. 26: 255–263. Bishop, S. C. 1949. The Phalangida (Opiliones) of New York, with special reference to the species of the Edmund Niles Huyck Preserve, Rensselaerville, New York.

  8. Aug 4, 2021 · We assembled the first harvestman draft genome for the species Phalangium opilio, which bears elongate, prehensile appendages, made possible by numerous distal articles called tarsomeres. Here, we show that the genome of P. opilio exhibits a single Hox cluster and no evidence of WGD.