hydrozoan


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hydrozoan

any colonial or solitary COELENTERATE of the class Hydrozoa, including most of the species that exhibit an ALTERNATION OF GENERATION between HYDROID and medusoid (see MEDUSA forms.
References in periodicals archive ?
Pattern in intertidal hydrozoan distribution along the coast of Sao Paulo State, Southeastern Brazil.
Western Atlantic midwater hydrozoan and scyphozoan medusae: in situ studies using manned submersibles.
A Silurian porpitoid hydrozoan from Cumbria, England and a note on porpitoid relationships.
A man of far-reaching influence, Agassiz had attracted many talented young men to the Lawrence Scientific School, and most of them played a prominent role in promoting the study of natural history, including the Georgian Joseph LeConte, who became a leading geologist, and John McCrady, a South Carolinian who earned a place as a pioneer in hydrozoan zoology.
The hydrozoan coral Millepora dichotoma: speciation or phenotypic plasticity?
In various other hydrozoan species, however, physiological studies have shown that cnidocytes receive synaptic input from neurons and sensory cells in the tentacle (Thurm et al, 1998b, 2004; Price and Anderson, 2006; Oliver et al, 2008) and, moreover, function as primary sensory receptors for mechanical (Brinkmann et al.
Caption: The clear bell of a gelatinous hydrozoan is a floating home for a jelly-rider called a hyperiid amphipod (top).
An example of this type of seasonal variation is found in the species composition of the population of hydrozoan medusas on the eastern coasts of Papua New Guinea.
The analysis of paternity and maternity in the marine hydrozoan Hydractinia symbiolongicarpus using randomly amplified polymorphic DNA (RAPD) markers.
Behavior and electrical activity in the hydrozoan Proboscidactyla flavicirrata (Brandt).
The main food items (>10% index of relative importance) consumed by the limpet were a tunicate; red algae of the genera Callophyllis, Coralina, Cryptopleura, Nienburgia, Pterosiphonia, and Rhodymenia; the brown algae Cystoseira osmundacea: the hydrozoan Eudendrium; and the bryozoan Crisia.