Systematic account of new Porifera (Demospongiae) records from the oceanic Island of Madeira (NE Atlantic) Author Pestana, Rosa Author Ribeiro, Cláudia Author Boury-Esnault, Nicole Author Biscoito, Manuel text Zootaxa 2018 2018-03-28 4402 2 395 400 journal article 30399 10.11646/zootaxa.4402.2.11 3a2312d9-7f23-46f0-8962-6e1952105180 1175-5326 1208870 8E1A2B58-85EF-4364-B291-24BA4ADACCCA Cliona celata Grant, 1826 ( Figure 2 ) Material examined. MMF 35063 / Location : Baixa do Carneiro , Lido (BC), Madeira island / 3.5 m and 4.5 m depth / Date : 3 and 4 apr 2001 / Collector: Rosa Pestana. Remarks. The specimens collected were in gamma stage, the biggest with 85.76 cm 2. One specimen was degraded. The spicules had some distinct aspects when compared to descriptions in the literature: tylostyles’ heads were slightly larger than the usual; few tylostyles with heads slightly trilobed, with a small swelling; some tylostyles have an incipient second tyle below the head, resembling polytylotes; and in all spicules, an axial canal is visible.