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Keywords from Image Description:
FMIB Pennaria tiarella McCr ABranch of Colony BHydranth with medusae enlarged CSingle sessile medusa enlarged.jpeg Pennaria tiarella McCr Branch of Colony Hydranth with medusae enlarged Single sessile medusa enlarged Subject Pennaria Hydroida Tag Invertebrates Cite book Hydroids of the Woods Hole Region Nutting Washington DC Government