A Review of the Genus Eunice - Smithsonian Institution Libraries

NUMBER 523 31
peristomium
rubra
32(31). Peristomial cirri reach middle or anterior end of peristomium [Figure 8li]
33
Peristomial cirri reach middle or front of prostomium [Figure 56a] 39
33(32). Neuroaciculae distally pointed (sharp or blunt) 34
Neuroaciculae distally hammer-headed
panamena
Neuroaciculae distally bifid (bidentate)
ornata
34(33). Notopodial cirri articulated throughout body 35
Notopodial cirri articulated in anterior setigers 37
35(34). Appendages of compound falcigers distally bidentate; ceratostyles tapering;
neuroaciculae emerging at parapodial midline; prostomial median sulcus
deep 36
Appendages of compound falcigers distally tridentate; ceratostyles digitiform;
neuroaciculae emerging dorsal to parapodial midline; prostomial median
sulcus shallow
bottae
36(35). Eyes behind bases of A-I; ceratophores ring-shaped in all antennae; anterior
ventral cirri tapering from narrow bases; anterior notopodial cirri basally
inflated
antennata
Eyes between bases of A-I and A-II; ceratophores long in all antennae; anterior
ventral cirri digitiform; anterior notopodial cirri digitiform
torresiensis
37(34). Antennae similar in thickness; ceratostyles tapering; peristomial cirri tapering;
prostomium less than x li as peristomium 38
Antennae with A-I thicker than other three; ceratostyles digitiform; peristomial
cirri digitiform; prostomium at least as deep as x li of peristomium
gracilis
38(37). Eyes behind bases of A-I; branchiae about as long as notopodial cirri; median
acicular lobes distally truncate; anterior postsetal lobes form low transverse
folds
havaica
Eyes between bases of A-I and A-II; branchiae distinctly longer than notopodial
cirri; median acicular lobes distally rounded; anterior postsetal lobes project
as free lobes
ornata
39(32). Notopodial cirri articulated throughout body hirschi, new name
Notopodial cirri articulated in anterior setigers
ornata
Notopodial cirri without articulations
aedificatrix
40(26). Branchiae present to near posterior end murrayi
Branchiae terminating well before posterior end 41
41(40). Hoods of compound falcigers distally mucronate [Figure 30c] 42
Hoods of compound falcigers distally without mucros [Figure 17b] .... 53
42(41). Ceratostyles articulated 43
Ceratostyles without articulations 50
43(42). Peristomial cirri reach middle or anterior end of peristomium [Figure 117a]
44
Peristomial cirri reach middle or front of prostomium [Figure 8a] 45
Peristomial cirri reach beyond prostomium
rubrivittata
44(43). Subacicular hooks always single (except for replacements); narrow tips of
ventral cirri digitiform
rubrivittata
Subacicular hooks paired in some setigers; narrow tips of ventral cirri short and
button-shaped
flavocuprea
Three or more subacicular hooks in most setigers; narrow tips of ventral cirri
tapering
woodwardi
45(43). Ceratostyles tapering [Figure 8a] 46
Ceratostyles digitiform [Figure 7Id] 48
46(45). A-II and III similar in length; A-I shorter; peristomial cirri without