A study to clarify the systematics of some Sabellinae was conducted. The systematic importance of setae, uncini and the branchial crown of the subfamily are discussed.
Demonax Kinberg,
Parasabella Bush, and
Distylidia Hartman are synonyms.
Demonax lacunosus, n. sp., is described from Florida, and
D. microphthalmus (Verrill),
D. rugosus (Moore),
D. pallidus (Moore), and
D. japonicus (Moore) are new combinations; a key for 9 American
Demonax species is provided.
Hypsicomus Grube is redefined based on examination of the type-species,
Sabella stichophthalmos Grube, which is redescribed. Other species previously included in
Hypsicomus, except
Anamobaea orstedii Kroyer and
Hypsicomus caecus Iroso, are transferred to
Notaulax Tauber with type-species
N. rectangulata Levinsen.
Notaulax bahamensis, n. sp., and
N. paucoculata, n. sp., are described from the Bahamas.
Sabella brevicollaris Grube,
S. torquata Grube, and
Protulides elegans Webster are synonyms of
Notaulax nudicollis (Kroyer).
Parasabella sulfurea Treadwell,
Sabella alba Treadwell, and
Hypsicomus purpureus Treadwell are synonyms of
Notaulax occidentalis (Baird), new combination.
Notaulax californica (Treadwell) and
N. midoculi (Hoagland), new combinations, are redescribed. Twelve additional taxa in
Notaulax, some of which are indeterminable or are synonyms, are listed; a key for 10
Notaulax species is provided.
Megalomma bioculatum (Ehlers) and
M. lobiferum (Ehlers) are redescribed;
M. pigmentum Reish is newly reported from western Atlantic waters and additionally described; and
M. heterops, n. sp., is described from Florida.
