Morphology, ultrastructure, and elemental composition of the embryos in the sea spider Tanystylum orbiculare (Arthropoda: Pycnogonida)
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Sea spiders (Pycnogonida) are benthic, marine chelicerates of shallow to deep water environments. They are mostly dioecious and engage in copulation that leads to external insemination, followed by brooding of large embryo masses by the male. In this study, we... ...
