Polypheretima Michaelsen, 1934
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publication ID |
https://doi.org/ 10.1080/00222933.2015.1021875 |
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DOI |
https://doi.org/10.5281/zenodo.4329078 |
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persistent identifier |
https://treatment.plazi.org/id/03A8E367-FFAF-FFA5-FE00-5E11FE21FB91 |
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treatment provided by |
Carolina |
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scientific name |
Polypheretima Michaelsen, 1934 |
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Genus Polypheretima Michaelsen, 1934
Type species. Perichaeta stelleri Michaelsen, 1892
Generic diagnosis
Body cylindrical; setal arrangement perichaetine; annular clitellum covering segments xiv–xvi; pair of male pores in xviii on circular porophores which may be within copulatory bursae; ventral genital markings present or absent; oesophageal gizzard in viii; intestine begins in xv or xvi; nephridia on spermathecal ducts lacking; caeca lacking; male sexual system usually holandric, with testes and funnels enclosed in paired sacs in x and xi; seminal vesicles in xi and xii; spermathecal pores small, spermathecal diverticula simple and usually ectal in origin; prostates racemose; copulatory bursae may or may not be present; ovaries free in xiii; oviducts lead to single or closely paired opening ( Easton 1979). Hong and James (2008a) observed that most Polypheretima species on Luzon have white pigmentation and are generally smaller than Pheretima species.
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