English: Hydractinia echinata (Hydrozoa: Anthoathecatae: Filifera: Hydractiniidae), portion taken from near the margin of a female colony:
a – hydranth in various states of contraction;
b– blastostyles laden with sporosaces;
c – spiral zooids.
Date
Source
Allman G. J. The Monograph of the Gymnoblastic or Tubularian Hydroids. – Conclusion of Part I and Part II. – London: Robert Hardwicke, 1972. –
Plate XV
This work is in the public domain in its country of origin and other countries and areas where the
copyright term is the author's life plus 100 years or fewer.
You must also include a
United States public domain tag to indicate why this work is in the public domain in the United States.
=={{int:filedesc}}== {{Information |Description = {{en|1=''Hydractinia echinata'' (Hydrozoa: Anthoathecatae: Filifera: Hydractiniidae), portion taken from near the margin of a female colony: * '''a''' – hydranth in various states of contraction; * ''...
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):