Agelas gracilis. a ramose slim dry specimen b–c spicular complement of verticillate acanthostyles of different dimensional categories (a–b modified from Lévi and Lévi 1983c modified from Whitelegge 1897).

 
 
  Part of: Manconi R, Pronzato R, Perino E (2016) A new species of Agelas from the Zanzibar Archipelago, western Indian Ocean (Porifera, Demospongiae). ZooKeys 553: 1-31. https://doi.org/10.3897/zookeys.553.5999