Balanomorpha


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Balanomorpha

[‚bal·ə·nō′mȯr·fə]
(invertebrate zoology)
The symmetrical barnacles, a suborder of sessile crustaceans in the order Thoracica.

Balanomorpha

 

a superfamily of invertebrates of the order Cirripedia (barnacles). The body is enclosed in a small calcareous shell, which is attached to a substrate. The shell is up to 20 cm high and 10 cm wide and consists of several plates. The four plates forming the top of the shell can move apart, so that the limbs can be thrust out to comb the water for food particles. There are about 250 species. In the seas of the USSR, barnacles of the genus Balanus are common. The Balanomorpha primarily inhabit coastal shallows. Some species are able to tolerate extreme decreases in salinity. The invertebrates adhere to ships and underwater structures. Species of the genus Coronula live on whales.

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Superfamily Balanoidea Leach (Cirripedia, Balanomorpha) from the Brazilian coast.
The superfamily Coronuloidea Leach (Cirripedia, Balanomorpha) from the Brazilian coast, with redescription of Stomatolepas species.
The taxonomy of the Balanomorpha is presently uncertain (Perez-Losada et al., 2008, 2014), but all of our species are confined to the balanomorphan superfamily Balanoidea, which serves to phylogenetically confine our selection.
Obligatory epibiotic species were the sponge barnacle Balanus spongicola and the coral barnacle Savignium crenatum, both from the Balanomorpha. Finally, we included the parasitic barnacle Peltogaster paguri (Rhizocephala), which infests hermit crabs.
In the superorder Thoracica, dwarf males have so far been reported in the suborders Balanomorpha, Iblomorpha, Scalpellomorpha, and Heteralepadomorpha, but not in Lepadomorpha or Verrucomorpha (Klepal, 1985, 1987; Hoeg, 1995).
Cirral length of the acorn barnacle Tetraclita japonica (Cirripedia: Balanomorpha) in Hong Kong: effect of wave exposure and tidal height.
Phylogenetic analysis among three species of intertidal barnacles of the genus Tetraclita (Cirripedia: Balanomorpha) by nucleotide sequences of a mitochondrial gene.
Scanning electron microscopy of cypris larvae of Balanus amphitrite (Cirripedia: Thoracica: Balanomorpha).