A Review of the Genus Eunice - Smithsonian Institution Libraries
A Review of the Genus Eunice - Smithsonian Institution Libraries
A Review of the Genus Eunice - Smithsonian Institution Libraries
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SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY<br />
19(18). Anterior notopodial cirri basally inflated edwardsi<br />
Anterior notopodial cirri medially inflated<br />
antarctica<br />
Anterior notopodial cirri tapering<br />
gracilicirrata<br />
Anterior notopodial cirri digitiform<br />
caeca<br />
20(18). Subacicular hooks always single (except for replacements) 21<br />
Subacicular hooks paired in some seiigers<br />
japonica, new name<br />
Subacicular hooks paired in most setigcrs<br />
websteri<br />
Three or more subacicular hooks in most setigers<br />
mexicana<br />
21(20). Ceratostyles tapering; peristomial cirri digitiform; narrow tips <strong>of</strong> ventral cirri<br />
digitiform; anterior notopodial cirri basally inflated parasegregata<br />
Ceratostyles digitiform; peristomial cirri tapering; narrow tips <strong>of</strong> ventral cirri<br />
tapering; anterior notopodial cirri medially inflated<br />
tridentata<br />
22(17). Branchiae pectinate; hoods <strong>of</strong> compound falcigers distally mucronate;<br />
subacicular hooks paired in some setigers; eyes present benedicti<br />
Branchiae palmate; hoods <strong>of</strong> compound falcigers distally without mucros; three<br />
or more subacicular hooks in most setigers; eyes absent manihine<br />
23(9). Ceratostyles articulated; peristomial cirri articulated; pcrisiomial cirri digitiform;<br />
anterior notopodial cirri digitiform [Figure 12] 24<br />
Ceratostyles without articulations; peristomial cirri without articulations;<br />
peristomial cirri tapering; anterior notopodial cirri tapering [Figure 71f-m]<br />
25<br />
24(23). Ceratostyle articulations long or short cylinders; ncuroaciculac distally<br />
flattened with rounded tabs; subacicular hooks paired in some seiigers;<br />
antennae similar in thickness<br />
antillensis<br />
Ceratostyle articulations moniliform or drop-shaped distally; neuroaciculae<br />
distally pointed (sharp or blunt); subacicular hooks always single (except for<br />
replacements); antennae with All I thicker than o<strong>the</strong>r four . . . articulata<br />
25(23). Hoods <strong>of</strong> compound falcigers distally mucronate; neuroaciculae emerging<br />
dorsal to parapodial midline; narrow tips <strong>of</strong> ventral cirri tapering; notopodial<br />
cirri articulated in anterior setigers<br />
megabranchia<br />
Hoods <strong>of</strong> compound falcigers distally without mucros; neuroaciculae emerging<br />
at parapodial midline; narrow tips <strong>of</strong> ventral cirri digitiform; notopodial cirri<br />
without articulations<br />
validobranchiata<br />
26(2). Branchiae present on more than 65% <strong>of</strong> total number <strong>of</strong> setigers 27<br />
Branchiae present on less than 55% <strong>of</strong> total number <strong>of</strong> setigers .... 40<br />
27(26). Ceratostyle articulations long or short cylinders [Figure 5a] 28<br />
Ceratostyle articulations moniliform or drop-shaped distally [Figure 67d] . . .<br />
lucei<br />
All ceratostyle articulations moniliform [Figure 58a] 30<br />
28(27). Peristomial cirri reach middle or anterior end <strong>of</strong> peristomium; eyes absent;<br />
peristomial cirri tapering; ceratostyles tapering<br />
aequabilis<br />
Peristomial cirri reach middle or front <strong>of</strong> prostomium; eyes present; peristomial<br />
cirri digitiform; ceratostyles digitiform 29<br />
29(28). Appendages <strong>of</strong> compound falcigers distally bidentate; branchiae about as long<br />
as notopodial cirri; neuroaciculae emerging dorsal to parapodial midline;<br />
anterior notopodial cirri tapering<br />
stigmatura<br />
Appendages <strong>of</strong> compound falcigers distally tridentate; branchiae distinctly<br />
longer than notopodial cirri; neuroaciculae emerging at parapodial midline;<br />
anterior notopodial cirri basally inflated<br />
martensi<br />
30(27). Branchiae pectinate 31<br />
Branchiae palmate<br />
interrupta<br />
31(30). Subacicular hooks always single (except for replacements); prostomium<br />
distinctly shorter than peristomium 32<br />
Subacicular hooks paired in some setigers; prostomium about as long as
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