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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.
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 ...
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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).
- 10.1186/s12983-022-00454-z
- 2022
- Front Zool. 2022; 19: 11.
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.
The rapid emergence and utility of Phalangium opilio as a model for evolutionary developmental biology of arthropods serve as demonstrative evidence of a new area of study in Opiliones biology, made possible through transcriptomic data.
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.
Phalangium. Linnaeus, 1758. Type species. Phalangium iberica. Schenkel, 1939. Synonyms. Cerastoma. Phalangium is a genus of harvestmen that occur mostly in the Old World. The best known species is Phalangium opilio, which is so common in many temperate regions that it is simply called "harvestman".
