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Research Article

Table 6

Chemical composition of the base of large hooks for Neoechinorhynchus personatus and N. ponticus cut on a longitudinal axis with a Gallium beam (LMIS) from a dual beam SEM.

Elements* N. personatus
N. ponticus
Hook base Hook base
Magnesium (Mg) 1.49 2.11
Phosphorus (P) 19.12 21.37
Sulfur (S) 1.33 1.43
Calcium (Ca) 54.75 45.00
*

Common protoplasmic elements (C, N, O) and processing elements (Au, Pd, Ga) are omitted. Listed in WT%.

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