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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