Home Acknowledgments Conventions Glossary Maps References Links Articles Thumbnails Species list Next order	Runcinida The order Runcinida (= Runcinacea) includes small animals that have a gill located between the mantle and foot at the posterior margin of the body. They lack shells or have small, plate-like shells concealed below the posterior edge of the mantle. They were previously considered to be a family within Cephelaspidea but were moved to their own order in Malaquias, et. al. (2009). One family is known from Hawaii. Runcinidae
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