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Hydractinia is a
genus of
commensal athecate hydroids which belong to the
family Hydractiniidae.
Hydractinia species mostly live on hermit-crabbed marine...
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Hydractinia symbiolongicarpus is one of the 30 +
Hydractinia species known worldwide. This sal****er animal, from here on
referred to as
Hydractinia, is...
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Hydractinia echinata is a
colonial marine hydroid which is
often found growing on dead, hermit-crabbed s**** of
marine gastropod species. This hydroid...
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Hydractinia altispina, or high-spined
commensal hydroid, is a
small colonial hydroid in the
family Hydractiniidae. High-spined
commensal hydroids grow...
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directly (actinulae).
Colonial hydrozoans include siphonop**** colonies,
Hydractinia, Obelia, and many others. In
hydrozoan species with both
polyp and medusa...
- did not
originate from a
common ancestor.
Polyps from the
cnidarian Hydractinia symbiolongicarpus form
colonies where labour is
divided between reproduction...
- axis as well,
however it is less
reliant on it than
gastrulation is.
Hydractinia shows that germ
layer formation that
transpires as a
mixed delamination...
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generated from
tracings of
gastrovascular canals (red) in two
colonies of
Hydractinia symbiolongicarpus that come into
contact and then separate. The green...
- new
species of
hydroid from the Gulf of Mexico, and a
comparison with
Hydractinia echinata".
Biological Bulletin. 151 (1): 214–224. doi:10.2307/1540715...
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Schuchertinia milleri,
commonly known as the
Miller hydractinia,
hedgehog hydroid or
snail fur, is a
small colonial hydroid in the
family Hydractiniidae...
