Thoracica


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Related to Thoracica: Balanomorpha, Itama, goose barnacles

Thoracica

[thə′ras·ə·kə]
(invertebrate zoology)
An order of the subclass Cirripedia; individuals are permanently attached in the adult stage, the mantle is usually protected by calcareous plates, and six pairs of biramous thoracic appendages are present.
References in periodicals archive ?
A V-shaped brown patch between fovea and PME, surrounding a smaller V-shaped brown patch with broadened distal prolongation; three mediolateral patchy stripes oblique and longitudinal, the anterior one extending marginal to base of pars cephalica; pars cephalica with three longitudinal setal rows, mediolateral ones oblique and reaching fovea, median line straight; pars thoracica with six mediolateral patches, two fields of 7-8 spinules in a distomedial position are visible.
Cirripedia thoracica (Crustacea) collected during the "Campagne de La Calypso (1961-1962)" from the Atlantic shelf of South America.
Scytodes thoracica, and Monoblemma muchmorei, all bearing an X/XX sex determination system type, suggests that the X chromosome can represent one of the elements that constitutes the basic NOR pattern in "Higher Haplogynes"(sensu Coddington & Levi 1991).
Characterization of a hybrid zone between two chromosomal races of weta Hemideina thoracica following a geologically recent volcanic eruption.
To assess quantitatively the morphological correlates of the predatory specialization seen in spitting spiders, we compared Scytodes thoracica (Latreille 1802) and S.
Sur la glande cephalothoracique d'une Araignee (Scytodes thoracica Latr.
Pars cephalica rising steeply from pars thoracica above level of coxae III or IV; highest centrally or posteriorly, sloping towards eyes.