Weight percent (WT%) for three major elements* in cross section cuts of the anterior hook and the posterior hook of Neoechinorhynchus ponticus n. sp.
|Phosphorus (P)||18.18||4.15||13.12 **||17.47||13.36||1.77|
Pd (palladium) and Au (gold) were used to count the specimens. Ga (gallium) was used for the cross cut of the hooks; other elements (C, O, N) are common in organic matter.
See Figure 39 for EDXA spectrum of bolded WT% of tip of anterior hook of N. ponticus from the Black Sea. Inset: anterior hooks. Note that sulfur is much higher (36.42%) at the base of the posterior hook, calcium is highest (65.20%) at the entry of the anterior hook, and phosphorous is slightly higher (18.18%) at the base of the anterior hook.
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