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Actinulida are an
order of
hydrozoans in the
subclass Trachylinae. Very small,
medusoid Hydrozoa without polyp phase,
living in the sand interstitial,...
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plesiomorphic (ancestral) traits.
Other such
orders were the Anthoathecatae,
Actinulidae, Laingiomedusae, Polypodiozoa,
Siphonophorae and Trachylina. As far as...
- classifications, and
limited to
contain the Narcomedusae, Trachymedusae, the
Actinulidae, then
considered an
independent order, and also the
Limnomedusae which...
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sometimes placed here,
appear to be
trachyline hydrozoans of the
order Actinulidae. Schuchert, P. (2014). Anthoathecata.
Accessed through: Schuchert, P...
