acorn barnacle

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  • noun

Synonyms for acorn barnacle

barnacle that attaches to rocks especially in intertidal zones

References in periodicals archive ?
Molecular phylogeny, systematics and morphological evolution of the acorn barnacles (Thoracica: Sessilia; Balanomorpha).
As shown in Table 4, some of the classes such as hydrozoan, acorn barnacle, algae, finger sponge, and Christmas tree worm produced a result of less than 70%, which as mentioned above was set as the benchmark for what is acceptable.
The clawless crabs were provided with 6 ribbed mussels (3 in the 30-mm size class and 3 in the 40-mm size class), 3 scorched mussels (Brachidontes exustus), and 3 acorn barnacles for 48 h.
Acorn barnacles are often the most numerous of all marine animals along rocky seashores.
While most studies were on acorn barnacles, a few involved bivalves and one study examined gorgonians (Table 5).
Observations made during May-September 1994 suggested that the acorn barnacle, Semibalanus batanoides, extended above the Ascophyllum nodosum zone at northern sites, but at southern sites it was present only under the algal canopy.
Systematically, they cover the acorn barnacles (Thoracica Balanomorpha), the asymmetric barnacles (Verrucomorpha), the paraphyletic assemblage of stalked barnacles (Thoracica Pedunculata), and the parasitic Rhizocephala.
State fish and wildlife biologists inspected the bottom of the severed piece of the dock and found non- native species, including pink Japanese acorn barnacles, parks officials said.
In addition, several species of "acorn barnacles" constitute a significant resource on a local scale (Lopez et al.
Sea levels in Holyhead have risen by half a metre over the past 30 years, while warm currents have forced acorn barnacles and some types of seaweed further north.
In acorn barnacles, hummocks commonly occur in strikingly regular spatial patterns in dense stands of recruits.
Limpets (Lottia spp.) graze algae and can have important negative effects on recruits of some acorn barnacles, especially Balanus glandula (Dayton 1971, Paine 1981, Farrell 1991, Berlow and Navarrete, 1997).
The adhesive is comprised of a foam-like structure and mechanical properties (elastic modulus, hardness, and tensile stress) are lower than that of acorn barnacles with a calcareous base plate (Zheden et al., 2015).
Most studies of the cement apparatus (cement gland cells and canals) were carried out on Sessilia (acorn barnacles) in the 1970s.
Acorn barnacles are suspension feeders that extend three pairs of modified thoracic limbs (cirri) into ambient flow to capture plankton and smaller food particles (1).