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
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