File:EB1911 Sponges - Heteropegma nodus-gordii.jpg

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EB1911_Sponges_-_Heteropegma_nodus-gordii.jpg(772 × 548 pixels, file size: 175 KB, MIME type: image/jpeg)

Summary

Description
English: Heteropegma nodus-gordii, part of transverse section, showing branching flagellated chambers and huge subdermal quadriradiate spicules, with greatly reduced tubar skeleton.
Date published 1911
Source “Sponges,” Encyclopædia Britannica (11th ed.), v. 25, 1911, p. 720, fig. 17.
Author After Poléjaeff.
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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Date/TimeThumbnailDimensionsUserComment
current15:37, 29 September 2018Thumbnail for version as of 15:37, 29 September 2018772 × 548 (175 KB)Bob Burkhardt{{Information |description ={{en|1=''Heteropegma nodus-gordii'', part of transverse section, showing branching flagellated chambers and huge subdermal quadriradiate spicules, with greatly reduced tubar skeleton. }} |date =published 1911 |source =“Sponges,” ''Encyclopædia Britannica'' (11th ed.), v. 25, 1911, p. 720, fig. 17. |author =After Poléjaeff. |permission ={{PD-Britannica}} }} Category:Porifera anatomy