| Skeletonema costatum (Greville) Cleve | 
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| Family: | Skeletonemaceae () | |||
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| Environment: | epiphytic; marine | |||
| Distribution: | Indo-Pacific and Northeast Atlantic: India and Canada. | |||
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| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. 123251) | |||
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