File:EB1911 Sponges - Evolution of the Pseudoceratose Reticulate type of Skeleton.jpg

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Summary

Description
English: Evolution of the Pseudoceratose Reticulate type of Skeleton, as seen in A, Reniera; B, Pachychalina; C, Chalina; D, Spinosella plicifera. sp, Spicules; spg., Spongin; m.f., Primary fibres; c.f., Secondary (connecting) fibres.
Date published 1911
Source “Sponges,” Encyclopædia Britannica (11th ed.), v. 25, 1911, p. 724, fig. 32.
Author After Minchin and Dendy. A, B, C from Lankester's Treatise on Zoology, D from Trans. of Zool. Soc. of London, vol. xii.
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current18:32, 7 October 2018Thumbnail for version as of 18:32, 7 October 2018736 × 760 (198 KB)Library Guy{{Information |description ={{en|1=Evolution of the Pseudoceratose Reticulate type of Skeleton, as seen in A, ''Reniera''; B, ''Pachychalina''; C, ''Chalina''; D, ''Spinosella plicifera''. ''sp'', Spicules; ''spg.'', Spongin; ''m.f.'', Primary fibres; ''c.f.'', Secondary (connecting) fibres.}} |date =published 1911 |source =“Sponges,” ''Encyclopædia Britannica'' (11th ed.), v. 25, 1911, p. 724, fig. 32. |author =After Minchin and Dendy. A, B, C from Lankester's ''Tre...

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