Dioctophymatida is an order of nematodes. There are 20 species of Dioctophymatida, in 4 genera and 2 families. It includes groups like Dioctophymatidae and Soboliphymidae.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definition: motion characterized by wave-like movement patterns that act to propel an animal forward. eg: crawling in snakes, or swimming in the lamprey. Typically utilized by limbless animals