Benthic samples taken in root-mats of
Rhizophora mangle contain four species of orbiniid polychaetes including
Naineris setosa, and three new taxa,
Protoaricia pigmentata, new species,
Pettibonella multiuncinata, new genus and new species and
Pararicia belizensis, new genus and new species. Recognition of the new genera lead to a preliminary phylogenetic analysis of the genera of the subfamily Protoariciinae, brief characterizations of all genera in the subfamily and the development of a key to genera of the Protoariciinae from world-wide areas
