Galindo Helcy, Hooper John N A, Pinheiro Ulisses
Universidade Federal de Pernambuco, Centro de Ciências Biológicas, Departamento de Zoologia, Av. Nelson Chaves, s/n Cidade Universitária CEP 50373-970, Recife, PE, Brazil; Email: unknown.
Queensland Museum, PO Box 3300, South Brisbane, Queensland, Australia, 4101 Eskitis Institute for Drug Discovery, Griffith University, Mount Gravatt Research Park, Nathan, Queensland, Australia, 4111; Email: unknown.
Zootaxa. 2014 Oct 30;3878(6):580-92. doi: 10.11646/zootaxa.3878.6.5.
The subgenus Clathria (Thalysias) Duchassaing & Michelotti, 1864 has 97 valid species, of which 27 are recorded in the Atlantic Ocean. However, only three species are known from Brazil so far. Here we provide the redescription of Clathria (Thalysias) basiarenacea (Boury- Esnault, 1973), based on the discovery of new characters (additional category of auxiliary styles, and details of spicules), and describe a new species of Clathria (Thalysias) repens sp. nov., that differs from sister species in having a live orange color, a massively encrusting repent growth form with lamellate folds and anastomosed projections, and three categories of structural styles, of which the two auxiliary styles have microspined heads. We also invalidate the record of Clathria (Thalysias) procera (Ridley, 1884) for Brazil.
克拉氏海绵亚属（Thalysias）杜沙辛与米凯洛蒂，1864年，有97个有效物种，其中27个记录于大西洋。然而，截至目前巴西仅已知3个物种。在此，我们基于新特征（辅助骨针的额外类别及骨针细节）对基底砂海绵（Clathria (Thalysias) basiarenacea）（布里 - 埃斯纳尔，1973年）进行重新描述，并描述一种新的匍匐克拉氏海绵（Clathria (Thalysias) repens sp. nov.），它与姐妹物种的区别在于活体呈橙色、具有大量覆盖的匍匐生长形态且具层状褶皱和吻合状突起，以及有三类结构骨针，其中两种辅助骨针头部有微刺。我们还宣布克拉氏海绵（Thalysias）粗壮种（procera）（里德利，1884年）在巴西的记录无效。
