New Calycophores — A lvarino 
343 
TABLE 2 
Differential Morphological Characteristics of Superior Nectophores for the 
Species of Sulculeolaria 
SPECIES 
SOMATOCYST 
BASAL 
PLATES 
LATERAL 
CANALS 
COMMISSURAL 
CANALS 
OSTIAL 
TEETH 
S. an gust a 
small 
both with round 
pointed distal 
edges 
none 
none 
none 
S. bigelowi 
small 
exceptionally 
large and wide 
lamellae 
extend to near 
the summit of 
nectosac; 
ventral canal 
divides in two 
short branches 
before entering 
ring canal 
none 
none 
S. biloba 
short ovoid, 
longest 
axis 
oblique 
long, bilobed 
extending to 
near upper *4 
of nectosac 
reaching to 
midlength of 
nectosac; one 
small branch 
at top of 
loop, length 
variable ac- 
cording to 
size of necto- 
phore 
none 
S. brintoni 
long 
2, mitten-shaped, 
with free 
finger to the 
center, locking 
extending near 
upper 14 of 
nectosac 
left canal 
shorter than 
right, which 
joins ventral 
canal 
2, like fingers at 
dorsal side 
S. chuni 
long, but 
shorter in 
small speci- 
mens 
short, rounded 
extending to 
top 1/3 of 
nectosac 
none 
none 
S. monoica 
small 
divided, with one 
tooth near 
sagittal margin 
in proximal 
part 
to top 1/3 of 
nectosac 
to posterior 1/3 
of nectosac 
5 in total; 3 
dorsal, 2 
lateral 
S. quadrivalvis 
long, reaching 
to midlength 
of nectosac 
2 wings, with 
notch locking 
them together 
to near summit 
of nectosac 
to posterior 1/3 
of lateral 
canals 
4 in total; 2 
dorsal, 2 
lateral 
S. turgida 
small 
2 halves 
to near summit 
of nectostac 
to posterior 1/3 
of lateral 
canals 
none 
S. monoica 
(Chun) 1888 
former and four 
in the latter. In the other five 
S. quadrivalvis Blainville 1834 
S. turgida (Gegenbaur) 1853 
The ostium of the nectophores of S. monoica 
and S. quadrivalvis presents teeth, five in the 
species, the ostium has smooth borders. 
Sulculeolaria brintoni n. sp. 
holotype: usnm No. 52703 
paratypes: USNM No. 52704 
