Amphiura, Forbes, 1843
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publication ID |
https://doi.org/10.12651/JSR.2020.9.3.273 |
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persistent identifier |
https://treatment.plazi.org/id/DD1187F2-B42A-3C6F-FCE8-FEA94886FC5F |
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treatment provided by |
Felipe |
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scientific name |
Amphiura |
| status |
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Key to species of the genus Amphiura View in CoL from Korea
1. One or two tentacle scales present ····························· 2
– Tentacle scales absent ················································ 3
2. Three proximal arm spines. No projection at distal end of radial shield········································ A. koreae View in CoL
– Four proximal arm spines. Projection situated at distal end of radial shield with stumpy hooks at outermost··· ················································· A. ( Amphiura) digitula View in CoL
3. Dorsal arm plates rudimentary or very small at free arm joints. Arms very long, more than 20 times longer than disk diameter ······················ A. ( Fellaria) vadicola View in CoL
– Dorsal arm plates small or large at free arm joints. Arms very long, 17 to 18 times longer than disk diameter·············································································· 4
4. Six or seven arm spines present at free arm joints. Dorsal arm plate small ················ A. ( Fellaria) sinicola View in CoL
– Four or five arm spines present at free arm joints. Dorsal arm plate very large ·········································· ·············································· A. ( Ophiopeltis) aestuarii View in CoL
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