Author Herein | Cnidosac | Cnidocysts | Channel | Exit/Cnidopore | Cnidophage | Digestive gland |
---|---|---|---|---|---|---|
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 |