File:EB1911 Sponges - Derivatives of the Hexact type of Spicule (2).jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:15, 4 October 2018 | 766 × 119 (22 KB) | Bob Burkhardt | {{Information |description ={{en|1=Derivatives of the Hexact type of Spicule, found in Hexactinellida: ''a'', Uncinaria; ''b'', Clavula; ''c'', Scopula.}} |date =published 1911 |source =“Sponges,” ''Encyclopædia Britannica'' (11th ed.), v. 25, 1911, p. 723, fig. 28. |author =After F. E. Schulze. |permission ={{PD-Britannica}} }} Category:Hexactinellida Category:Sponge spicules |
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