File:EB1911 Pterobranchia - C. dodecalophus - median section.jpg

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Description
English: Median (sagittal) section of Cephalodiscus dodecalophus (see legend below).
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 22, 1911, “Pterobranchia,” fig. 2, p. 615.
Author After Harmer.
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.
English: Legend:
a,  Anus.
op.,  Operculum, or ventral lip.
b.c1.,  Body-cavity of proboscis.
b.c2.,  Of collar.
b.c3.,  Of metasome.
int.,  Intestine.
m.,  Mouth.
nch.,  Notochord.
n.s.,  Central nervous system.
oes.,  Oesophagus.
ov.,  Ovary.
ovd.,  Oviduct.
ph.,  Pharynx.
p.p.,  Proboscispore.
p.s.,  Proboscis.
st.,  Stomach.
stk.,  Stalk.

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Date/TimeThumbnailDimensionsUserComment
current16:16, 24 May 2017Thumbnail for version as of 16:16, 24 May 2017738 × 984 (252 KB)Bob Burkhardt{{Information |Description ={{en|1=Median (sagittal) section of ''Cephalodiscus dodecalophus'' (see legend below).}} |Source =''Encyclopædia Britannica'' (11th ed.), v. 22, 1911, “Pterobranchia,” fig. 2, p. 615. |Author =After H...