Species;"Directive mesenteries length";"Directive labial tentacle";"M-mesentery (M1) length";"M-mesentery (M2) length";"M-mesentery (m1) length";"M-mesentery (m2) length";"Mesenteries attached to siphonoglyph";"Siphonoglyph shape";"Number of marginal tentacles" "C. andamanensis";–;–;"Reach aboral pore";–;–;–;–;–;~160 "C. bathymetricus";–;–;"Reach aboral pore";"1/2 of M-1";–;–;–;Wide?;28 "C. filiformis";"> stomodeum";Present;"Reach aboral pore";"6/8 of M-1";"7/8 of M-1";"5/8 of M-1";6;Wide?;~70 "C. incertus";–;–;–;–;–;–;–;–;38-42 "C. japonicus";"> stomodeum";Present;"Almost reach aboral pore";"≅ M-1";"3/4 of M-1";"~1/2 of M-1";4?;Wide;65 "C. lloydii";"> stomodeum";Present;"Almost reach aboral pore";"Longer than M-1";"1/5 of M-1";"1/6 of M-1";4;Narrow;"Up to 70" "C. malakhovi";?;;"Half column (?)";"> M-1";?;?;?;?;~160 "C. medusula";?;?;?;?;?;?;?;?;Few "C. membranaceus";"> stomodeum";Present;"Almost reach aboral pore";≅M-1;≅P2;≅m-1;6;Narrow;140 "C. mortenseni";>stomodeum;Present;"Short, almost half of gastrovascular cavity";"≅ M-1";"3/4 of M-1";"1/2 of M-1";8;Wide;125 "C. punctatus";"> stomodeum";Present;"Almost reach aboral pore";=M-1;"2/3 of M-1";"1/4 of M-1";6;"Rather wide";80-90 "C. roulei";?;?;Long?;?;?;?;?;?;~40 "C. stimpsonii";?;?;?;?;?;?;?;?;? "C. sulcatus";"> stomodeum";Present;"Reach aboral pore";≅M-1;?;?;?;Narrow;~180 "C. taedus";"> stomodeum";Present;Short?;Short;?;?;?;Narrow;55 "C. valdiviae";≅stomodeum;Absent;Short?;=M-1;≅M-1;"1/2 of M-1";4;Narrow;35 "C. vas";?;?;?;?;?;?;?;?;? "C. vogti";"> stomodeum";Present;"(?)Almost reach aboral pore";"(?)Longer than M-1";"(?)1/5 of M-1";"(?)1/6 of M-1";?;Narrow;30-40