A Review of the Genus Eunice - Smithsonian Institution Libraries

NUMBER 523 37
peristomial cirri digitiform
annulicornis
107(73). Subacicular hooks always single (except for replacements) 108
Subacicular hooks paired in some setigers
guttata
Subacicular hooks paired in most setigers 113
Three or more subacicular hooks in most setigers
scombrinis
108(107). Peristomial cirri reach middle or anterior end of peristomium 109
Peristomial cirri reach middle or front of prostomium 112
109(108). Peristomial cirri digitiform 110
Peristomial cirri basally inflated
Ill
Peristomial cirri ovate
aciculata
110(109). A-II and III similar in length with A-I shorter; anterior notopodial cirri basally
inflated; eyes on ceratophores of A-II; prostomial lobes frontally rounded
perrieri
Length of antennae increasing from A-I to A-III; anterior notopodial cirri
medially inflated; eyes behind bases of A-I; prostomial lobes frontally
obliquely truncate
dilatata
Length of all antennae similar (short); anterior notopodial cirri digitiform; eyes
between bases of A-I and A-II; prostomial lobes frontally
truncate
perimensis
111(109). Inflated bases of ventral cirri ovate or spherical; anterior postsetal lobes form
low transverse fold
djiboutiensis
Inflated bases of ventral cirri thick, transverse welts; anterior postsetal lobes
project as free lobes
mutabilis
Inflated bases scoop-shaped; anterior postsetal lobes follow outline of acicular
lobes closely
aphroditois
112(108). Antennae similar in thickness; peristomial cirri digitiform; ncuroaciculae
emerging at parapodial midline; inflated bases of ventral cirri ovate or
spherical
polybranchia
A-I thicker than other three antennae; peristomial cirri basally inflated;
neuroaciculae emerging dorsal to parapodial midline; inflated bases of
ventral cirri thick, transverse welts
mutabilis
113(107). Neuroaciculae emerging at parapodial midline; inflated bases of ventral cirri
thick, transverse welts; narrow tips of ventral cirri short and button-shaped;
anterior notopodial cirri basally inflated
roussaei
Neuroaciculae emerging dorsal to parapodial midline; inflated bases of ventral
cirri ovate or spherical; narrow tips of ventral cirri tapering; anterior
notopodial cirri medially inflated
rullieri, new name
114(72). Ceratostyles articulated 115
Ceratostyles without articulations 121
115(114). Ceratostyle articulations long or short cylinders 116
Ceratostyle articulations moniliform or drop-shaped distally 119
116(115). A-II and III similar in length with A-I shorter; prostomium less than x li as deep
as peristomium 117
Length of all antennae similar (short); prostomium at least as deep as V2 of
peristomium 118
117(116). Antennae evenly spaced; branchiae distinctly longer than notopodial cirri;
anterior postsetal lobes project as free lobes; prostomial lobes dorsally
excavate with thickened rim plicata
Antennae with A-I isolated by a gap; branchiae distinctly shorter than
notopodial cirri; anterior postsetal lobes form low transverse folds;
prostomial lobes dorsally inflated
prognatha
Antennae with A-I 11 isolated by a gap; branchiae about as long as notopodial
cirri; anterior postsetal lobes follow outline of acicular lobes closely;
prostomial lobes dorsally flattened
excariboea