Olenellida
The Animal (Mesonacis Walcott, 1885) is a member of the phylum Arthropoda, characterized by jointed limbs, an exoskeleton, and segmented body. This...
This order contains 18 species.
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Uncategorized Family
The **Animal** (*Mesonacis Walcott, 1885*) is a member of the phylum Arthropoda, characterized by jointed limbs, an exoskeleton, and segmented body. This...