A Review of the Genus Eunice - Smithsonian Institution Libraries

34 SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY
peristomium; length of antennae increasing from A-I to A-III; neuroaciculae
emerging at parapodial midline
sonorae
Ceratostyles without articulations; peristomial cirri reach middle or front of
prostomium; length of A-II and III similar and A-I shorter, neuroaciculae
emerging dorsal to parapodial midline
fucata
70(66). Branchiae present on more than 65% of total number of setigers 71
Branchiae present on less than 55% of total number of setigers 129
71(70). Branchiae present to near posterior end 72
Branchiae terminating well before posterior end 127
72(71). Branchiae pectinate [Figure 44b] 73
Branchiae palmate [Figure 92e] 11 4
Branchiae single filaments
pruvoti, new name
73(72). Ceratostyles articulated 74
Ceratostyles without articulations 107
74(73). Ceratostyle articulations long or short cylinders [Figure 44a) 75
Ceratostyle articulations moniliform or drop-shaped dislally [Figure 63a]
98
All ceratostyle articulations moniliform [Figure 109a] 106
75(74). Guards of compound falcigers distally mucronatc 76
Guards of compound falcigers distally without mucros 78
76(75). Peristomial cirri reach middle or anterior end of peristomium; without
articulations; pectinate setae distally furled
fauveli
Peristomial cirri reach middle or front of prostomium; articulated; pectinate
setae distally flat 77
77(76). Peristomial cirri tapering; branchiae distinctly shorter than notopodial cirri;
median acicular lobes triangular or conical; neuroaciculae emerging at
parapodial midline
franklini
Peristomial cirri basally inflated; branchiae distinctly longer than notopodial
cirri; median acicular lobes distally truncate; neuroaciculae emerging dorsal
to parapodial midline
nigricans
78(75). Neuroaciculae distally pointed (sharp or blunt) 79
Neuroaciculae distally expanded, knurled and knobbed
bilobata
79(78). Peristomial cirri reach middle or anterior end of peristomium 80
Peristomial cirri reach middle or front of prostomium 93
Peristomial cirri reach beyond prostomium
bipapillata
80(79). Narrow tips of ventral cirri short and button-shaped 81
Narrow tips of ventral cirri tapering 84
Narrow tips of ventral cirri digitiform 89
81(80). A-II and III similar in length with A-I shorter; pectinate setae flaring ... 82
Length of all antennae similar (short); pectinate setae tapering
petersi, new name
82(81). Anterior postsetal lobes follow outline of acicular lobes closely
purpurea
Anterior postsetal lobes form low transverse folds
ehlersi
Anterior postsetal lobes project as free lobes 83
83(82). Subacicular hooks paired in most setigers; median acicular lobes bilobed;
neuroaciculae emerging at parapodial midline; pectinate setae tapering
roussaei
Three or more subacicular hooks in some setigers; median acicular lobes
distally truncate; neuroaciculae emerging dorsal to parapodial midline;
pectinate setae flaring borneensis
84(80). Subacicular hooks always single (except for replacements) 85
Subacicular hooks paired in some setigers 88
85(84). Peristomial cirri tapering g6