Sentence examples for basis of shell from inspiring English sources

Paleontologists interpret bivalves on the basis of shell features, notably shell and ligament structure, arrangement of hinge teeth, and body form as interpreted from internal muscle scars.

It comprises a set of north African endemic forms and subspecies that were described at the beginning of the 20th century on the basis of shell characteristics [ 8].

For example, the European form S and the American form C have the same COI sequence but appear very different on the basis of shell morphology compared to pictures of form C from Lee et al. [ 18].

Recent reports of Tricula from Nepal (e.g., Tricula godawariensis Nesemann & Sharma 2007) [ 41] are simlarly data deficient, with descriptions of new taxa based on shell characters only – as noted by Davis [ 42], one cannot distinguish these taxa on the basis of shell and radula characters alone.

Xinjiangchelyids have been mostly known on the basis of shells but these new findings together with recently described material from the Junggar Basin provides new insights into the anatomy of the rest of the skeleton.

The effect of pre-buckling nonlinearity on the bifurcation point of a conical shell is examined on the basis of three shell theories: Donnell's, Sanders' and Timoshenko's.

The vibration of cylindrical shells subjected to initial stresses is studied on the basis of a shell theory including shear deformation and rotatory inertia.

Despite the formulation of detailed hypotheses regarding the molecular basis of molluscan shell formation [ 21- 24], these do not account for the initiation of biomineralisation or changes in shell construction during a mollusc's life [see [ 25] for a review of the mineralogical transitions that occur in larval forms].

Computer-aided design-based NURBS surfaces form the basis of isogeometric shell analysis which exploits the smoothness and higher continuity properties of NURBS to derive a suitable analysis model in an isoparametric sense.

The problem is studied on the basis of a shell theory in which it is assumed that the honeycomb core resists only transverse shear forces and that the facings resist only bending moments.

Phylogenetically and on the basis of their shell protein complement the α-carboxysomes of chemoautotrophs (incl. H. neapolitanus) and many marine cyanobacteria can be distinguished from the β-carboxysomes found mostly in freshwater cyanobacteria [2].