A new species of Stelletta (Demospongiae, Astrophorida) without microscleres from Abrolhos Archipelago, northeastern Brazil Author Esteves, Eduardo L. Author Muricy, Guilherme text Zootaxa 2005 2005-06-10 1006 1 43 52 https://biotaxa.org/Zootaxa/article/view/zootaxa.1006.1.5 journal article 10.11646/zootaxa.1006.1.5 8442a09a-dcb2-4c42-9d74-057d2e7b5b95 1175­5334 5048780 99171C39-16AE-4A23-AB8F-22C42FC21EF1 Genus Stelletta Schmidt, 1862 Diagnosis . Massive sponges with a more­or­less collagenous rich cortex; triaenes often abundant, more rarely absent, oxeas and from one to three types of euasters, one of them confined to the choanosome, the other(s) sparse through the sponge. Occasional accessory ortho­ or trichodragmata. Microscleres may be lacking altogether (emended from Uriz, 2002a ). Type species . Stelletta grubei Schmidt, 1862 .