cancellate


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cancellate

[′kan·sə‚lāt]
(biology)
Lattice-shaped. Also known as clathrate.
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7 Shell trochiform and with coarsely cancellate sculpture; periphery almost stellate; outer lip with subterminal external varix; parietal callus expanded beyond aperture Pholidotrope
Shell turbiniform-conical and with finely cancellate or beaded sculpture; periphery more or less evenly rounded; outer lip lacking external varix; parietal callus not expanded Herpetopoma (part)
25), teleoconch of 4-5 whorls; whorls rounded, sutures indented and inserted at level of subperipheral cord; first teleoconch whorl with 14-16 axial pliculae; second and subsequent whorls with axial pliculae and relatively strong spiral cords, 2 on second whorl, 3 on subsequent ones; cords bearing axially elongate beads where crossed by pliculae; last adult whorl with 40-50 axial pliculae and 3 spiral cords above and including periphery, occasional specimens with weaker intermediaries; intervals between cords equal to or wider than cords themselves and rendered obliquely cancellate by axial pliculae; interval between second and third cords frequently wider than others.
Herpetopoma pruinosum (Marshall, 1979), from the Kermadec Ridge, is also similar but has a lower spire and a finer, more obviously cancellate sculpture.
The apical whorls are sculptured only with axial pliculae and subsequent whorls with both spiral cords and axial pliculae that interact to produce a cancellate or foveolate sculpture (not obviously beaded).
Le ambiguita del donare che la novella del Decameron denunciava implicitamente sono cancellate da Della Casa, il cui uso del modello serve a rinsaldare il proposito correttivo della sua scrittura.
Characteristics include the presence of cancellate teleoconch sculpture, one or more diagonally cancellate protoconch whorls (initially smooth or spirally striate), and a linguiform to lacrimiform anal sinus, its upper margin drawn forward at suture by a callous node; outer lip with a strong varix, denticulate to dentate within.