Calyx arcuarius (Topsent, 1913)
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Family:  Phloeodictyidae ()
Max. size: 
Environment:  sessile; marine; depth range 16 - 900 m
Distribution:  Antarctic: south Orkney Islands and Antarctic.
Diagnosis:  Pale with distinctive flattened fronds and a hard stalk. Grows slow up to 50 cm height (Ref. 089939).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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