Sphaerosyllis (San Martin & Aguado, 2014)
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publication ID |
https://doi.org/ 10.11646/zootaxa.4329.3.6 |
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publication LSID |
lsid:zoobank.org:pub:A6346Fde-974C-4B40-8C81-116E3B39B1C7 |
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DOI |
https://doi.org/10.5281/zenodo.6039442 |
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persistent identifier |
https://treatment.plazi.org/id/2C11783F-FFED-0B36-FF77-780734D5FE73 |
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treatment provided by |
Plazi |
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scientific name |
Sphaerosyllis |
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Key to species of the genus Sphaerosyllis View in CoL from the Black Sea
1. Parapodial glands present...............................................................................2
- Parapodial glands absent................................................................................5
2. Dorsal cirri shorter than parapodial lobes, at least in anterior chaetigers.......................................... 3
- Dorsal cirri longer than parapodial lobes...................................................................4
3. Blades of falcigers strongly serrated, short (<9 µm); shafts with strong distal spines..................................
.................................................................. Sphaerosyllis thomasi San Martín, 1984b View in CoL - Blades of falcigers moderately serrated only in anterior and midbody dorsalmost chaetae; blades with slight dorso-ventral gradation but always longer than 9 µm; shafts smooth................................... Sphaerosyllis pontica View in CoL sp. nov. 4. Blades of falcigers without marked dorso-ventral gradation in length................. Sphaerosyllis taylori Perkins, 1981 View in CoL
- Blades of falcigers with a marked dorso-ventral gradation in length (dorsalmost falcigers at least 1.5 times the length of ventral ones)................................................................ Sphaerosyllis hystrix Claparède, 1863 View in CoL
5. All parapodia with one straight acicula with subdistal enlargement; midbody parapodia with one enlarged modified chaetae lacking the blade....................................................... Sphaerosyllis bulbosa Southern, 1914 View in CoL
- Anterior parapodia with two aciculae each, one straight and one with tip bent at right angle; midbody parapodia with all heterogomph chaetae having blades........................................... Sphaerosyllis pirifera Claparède, 1868 View in CoL
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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