Hancock & Embleton 1845
|
ovate vesicle/sac
|
elliptical bodies with slender, hair-like filaments
|
ciliated channel
|
external orifice
|
little transparent ellipsoidal membranous bags
|
liver caecum
|
Wright 1863
|
ovoid vesicle/sac
|
cnidae, thread cells
|
–
|
–
|
–
|
biliary sac
|
Herdman & Clubb 1889
|
cnidophorous sac
|
cnida
|
connecting tube, ciliated canal
|
terminal opening
|
cnidocyst
|
hepatic caecum
|
Herdman 1890
|
cnidophorous sac
|
cnida, thread cells
|
slender tube with thin walls & few muscle fibers
|
clearly defined aperature at the apex
|
cnidocyst
|
hepatic diverticulum
|
Grosvenor 1903
|
cnidophorous sac/cnidosac/cnidophore
|
nematocysts
|
ciliated canal
|
terminal opening
|
cnidocyst/cnidoblast
|
alimentary canal/ diverticula of the gastric gland
|
Edmunds 1966
|
cnidosac
|
nematocysts
|
–
|
cnidopore
|
cells
|
digestive gland
|
Kälker & Schmekel 1976
|
cnidosac
|
cnidocysts
|
pore/ narrow duct
|
entrance
|
nematophage
|
hepatopancreas
|
Conklin & Mariscal, 1977
|
cnidosac
|
nematocysts
|
–
|
cnidopore
|
cnidocyst
| |
Ohkawa & Yamasu, 1993
|
cnidosac
|
nematocysts
|
–
|
–
|
cnidophage cell
|
digestive diverticulum
|
Greenwood 2009
|
cnidosac
|
nematocysts/kleptocnidae
|
–
|
–
|
cnidophage cell
|
digestive diverticula
|