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Opiliones are one of the largest arachnid orders, with more than 6,500 species in 50 families. Many of these families have been erected or reorganized in the last few years since the publication of The Biology of Opiliones. Recent years have also seen an explosion in phylogenetic work on Opiliones, as well as in studies using Opiliones as test cases to address biogeographic and evolutionary ...
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.
- Guilherme Gainett, Vanessa L. González, Jesús A. Ballesteros, Emily V. W. Setton, Caitlin M. Baker, ...
- 2021
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Does Phalangium opilio have WGD?
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May 5, 2015 · Garwood et al. describe a new Carboniferous harvestman and, on the basis of phylogenetic analysis, establish a new opilionid suborder. Elements of the anatomy of the fossil are reflected in the evolutionary developmental biology of an extant harvestman species. Integrating multidisciplinary approaches is key to explaining morphological evolution.
- Russell J. Garwood, Prashant P. Sharma, Jason A. Dunlop, Gonzalo Giribet
- 2014
Mar 4, 2022 · Phalangium opilio as a model for developmental biology. A: Adult male P. opilio in lateral view. Anterior is to the right. B: Mating couple of P. opilio. C: Example of a terraria where adults P. opilio are kept at the Sharma lab (UW-Madison). D: Adult female laying an egg in a clutch in dampened cotton (water source).
The best known species is Phalangium opilio, which is so common in many temperate regions that it is simply called "harvestman". [1] Species. The genus Phalangium contains the following species: [2] Phalangium aegyptiacum Savigny, 1816 (Egypt) Phalangium bilineatum Fabricius, 1779. Phalangium cancroides Müller, 1776.
Feb 23, 2024 · Gainett et al. report that living daddy-longlegs, previously thought to have only two eyes, have additional vestigial eyes only seen in four-eyed fossil relatives. This discovery changes the phylogenetic position of the fossils and pushes back age estimates of this ancient group. These findings underscore the role of vestigial organs in evolution.
Mar 4, 2022 · A promising focal species for chelicerate evo-devo is the daddy-long-legs (harvestman) Phalangium opilio, a member of the order Opiliones. Phalangium opilio, breeds prolifically and is easily accessible in many parts of the world, as well as tractable in a laboratory setting. Resources for this species include developmental transcriptomes, a ...
