Demospongiae - Open Access .click

Results 161 to 170 of about 9,058 (256)

Thorectinae (Porifera: Demospongiae: Dictyoceratida) from Northeastern Brazil: two new species and transfer of Scalarispongia cincta (Boury-Esnault, 1973) to the genus Thorecta Lendenfeld, 1888

Joana Sandes, Guilherme Muricy, Ulisses S. Pinheiro +2 more
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Two new sponge species (Demospongiae: Chalinidae and Suberitidae) isolated from hyperarid mangroves of Qatar with notes on their potential antibacterial bioactivity

, 2020
Bruno Welter Giraldes +11 more
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Mesozoische und rezente desmentragende Demospongiae (Porifera, "Lithistidae")

, 1993
Within the demosponges in all main taxa, irregular spicules, the desmas are observed. Therefore, the polyphyletic "Lithistida" SCHMIDT 1870 is eliminated. Desma-bearing demosponges are known since the Middle Cambrian. The desma-types are differenciated by their axial symmetry.
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Unraveling the Role of Spicules in Shaping Sponge Body Structure: Evidence from the Early Cambrian Shuijingtuo Formation. [PDF]