Acanthostomella conicoides Kofoid & Campbell, 1929 (original description)
Acanthostomella elongata Kofoid & Campbell, 1929 (original description)
Acanthostomella lata Kofoid & Campbell, 1929 (original description)
Acanthostomella minutissima Kofoid & Campbell, 1929 (original description)
Acanthostomella obtusa Kofoid & Campbell, 1929 (original description)
Albatrossiella Kofoid & Campbell, 1929 (original description)
Albatrossiella agassizi Kofoid & Campbell, 1929 (original description)
Amphorella infundibulum accepted as Amphorides infundibulum (Kofoid & Campbell, 1929) (original description)
Amphorellopsis Kofoid & Campbell, 1929 (original description)
Amphorellopsis quadrangula Kofoid & Campbell, 1929 (original description)
Amplectella Kofoid & Campbell, 1929 (original description)
Amplectellopsis Kofoid & Campbell, 1929 (original description)
Amplectellopsis angularis Kofoid & Campbell, 1929 (original description)
Brandtiella Kofoid & Campbell, 1929 (original description)
Bursaopsis Kofoid & Campbell, 1929 (original description)
Bursaopsis vitrea Brandt, 1896 (basis of record)
Canthariella brevis Kofoid & Campbell, 1929 (original description)
Climacocylis scalaroides Kofoid & Campbell, 1929 (original description)
Codonella Haeckel, 1873 (additional source)
Codonella acuta Kofoid & Campbell, 1929 (original description)
Codonella apicata Kofoid & Campbell, 1929 (original description)
Codonella aspera Kofoid & Campbell, 1929 (original description)
Codonella elongata Kofoid & Campbell, 1929 (original description)
Codonella olla Kofoid & Campbell, 1929 (original description)
Codonella rapa Kofoid & Campbell, 1929 (original description)
Codonella robusta Kofoid & Campbell, 1929 (original description)
Codonella tropica Kofoid & Campbell, 1929 (original description)
Codonellopsidae Kofoid & Campbell, 1929 (original description)
Codonellopsis americana Kofoid & Campbell, 1929 (original description)
Codonellopsis contracta Kofoid & Campbell, 1929 (original description)
Codonellopsis lata Kofoid & Campbell, 1929 (original description)
Codonellopsis longa Kofoid & Campbell, 1929 (original description)
Codonellopsis parva Kofoid & Campbell, 1929 (original description)
Codonellopsis turgida Kofoid & Campbell, 1929 (original description)
Coxliella declivis Kofoid & Campbell, 1929 (original description)
Coxliella longa (Brandt 1906) Kofoid & Campbell, 1929 (original description)
Coxliella meunieri (Meunier 1910) Kofoid & Campbell, 1929 (original description)
Coxliella pelagica Kofoid & Campbell, 1929 (original description)
Coxliellidae Kofoid & Campbell, 1929 accepted as Metacylididae Kofoid & Campbell, 1929 (original description)
Craterella Kofoid & Campbell, 1929 accepted as Ascampbelliella (original description)
Craterella acuta Kofoid & Campbell, 1929 accepted as Ascampbelliella acuta (Kofoid & Campbell, 1929) (original description)
Craterella armilla Kofoid & Campbell, 1929 accepted as Ascampbelliella armilla (Kofoid & Campbell, 1929) (original description)
Craterella protuberans Kofoid & Campbell, 1929 accepted as Ascampbelliella protuberans (Kofoid & Campbell, 1929) (original description)
Cymatocylis cylindrella Kofoid & Campbell, 1929 (original description)
Cymatocylis labiosa Kofoid & Campbell, 1929 (original description)
Cyttarocylis acutiformis Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. acutaformis Bachy et al., 2012 (original description)
Cyttarocylis brandti Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. brandti Bachy et al., 2012 (original description)
Cyttarocylis denticulata var. robusta Jørgensen, 1901 accepted as Parafavella robusta (Jörgensen, 1901) (new combination reference)
Cyttarocylis edentata var. parumdentata Brandt, 1906 accepted as Parafavella parumdentata (Brandt, 1906) (new combination reference)
Cyttarocylis hebe var. apopphysata Cleve, 1899 accepted as Rhabdonellopsis apophysata (Cleve, 1899) Kofoid & Campbell, 1929 (new combination reference)
Cyttarocylis longa Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. longa Bachy et al., 2012 (original description)
Cyttarocylis magna (Brandt, 1906) Kofoid & Campbell, 1929 accepted as Cyttarocylis ampulla f. magna Bachy et al., 2012 (new combination reference)
Dadayiella Kofoid & Campbell, 1929 (original description)
Dadayiella curta Kofoid & Campbell, 1929 (original description)
Dadayiella cuspis Kofoid & Campbell, 1929 (original description)
Dadayiella joergenseni Kofoid & Campbell, 1929 (original description)
Daturella Kofoid & Campbell, 1929 (basis of record)
Daturella Kofoid & Campbell, 1929 (original description)
Daturella gaussi Kofoid & Campbell, 1929 (original description)
Daturella stramonium Kofoid & Campbell, 1929 (original description)
Dictyocysta californiensis Kofoid & Campbell, 1929 (original description)
Dictyocysta extensa Kofoid & Campbell, 1929 (original description)
Dictyocysta fenestrata Kofoid & Campbell, 1929 (original description)
Dictyocysta lata Kofoid & Campbell, 1929 (original description)
Dictyocysta mexicana Kofoid & Campbell, 1929 (original description)
Dictyocysta nidulus Kofoid & Campbell, 1929 (original description)
Dictyocysta obtusa Kofoid & Campbell, 1929 accepted as Dictyocysta mitra Haeckel, 1873 (original description)
Dictyocysta occidentalis Kofoid & Campbell, 1929 (original description)
Dictyocysta pacifica Kofoid & Campbell, 1929 (original description)
Dictyocysta reticulata Kofoid & Campbell, 1929 (original description)
Dictyocysta spinosa Kofoid & Campbell, 1929 (original description)
Epiplocyclis accepted as Epiplocylis Jörgensen, 1924 (basis of record)
Epiplocyclis undella (Ostenfeld & Schmidt, 1901) accepted as Epiplocylis undella (Ostenfeld & Schmidt) Jörgensen, 1924 (basis of record)
Epiplocylididae Kofoid & Campbell, 1939 (original description)
Epiplocylis acuta Kofoid & Campbell, 1929 represented as Epiplocyloides reticulata (Ostenfeld & Schmidt, 1902) (original description)
Epiplocylis brandti Kofoid & Campbell, 1929 (original description)
Epiplocylis constricta Kofoid & Campbell, 1929 (original description)
Epiplocylis deflexa Kofoid & Campbell, 1929 (original description)
Epiplocylis healdi Kofoid & Campbell, 1929 (original description)
Epiplocylis inflata Kofoid & Campbell, 1929 (original description)
Epiplocylis labiosa Kofoid & Campbell, 1929 (original description)
Epiplocylis lata Kofoid & Campbell, 1929 (original description)
Epirhabdonella Kofoid & Campbell, 1929 (original description)
Eutintinnus Kofoid & Campbell, 1939 (original description)
Eutintinnus apertus Kofoid & Campbell, 1929 (original description)
Eutintinnus brandti (Kofoid & Campbell, 1929) (original description)
Eutintinnus elongatus (Jörgensen, 1924) Kofoid & Campbell, 1939 (new combination reference)
Eutintinnus fraknoii f. elongata Jörgensen, 1924 accepted as Eutintinnus elongatus (Jörgensen, 1924) Kofoid & Campbell, 1939 (new combination reference)
Eutintinnus pectinis (Kofoid & Campbell, 1929) (redescription)
Eutintinnus turris Kofoid & Campbell, 1929 (original description)
Favella attingata Kofoid & Campbell, 1929 (original description)
Favella brevis Kofoid & Campbell, 1929 (original description)
Favella confessa Kofoid & Campbell, 1929 (original description)
Favella franciscana Kofoid & Campbell, 1929 (original description)
Favella infundibulum Kofoid & Campbell, 1929 (original description)
Favella meunieri Kofoid & Campbell, 1929 accepted as Schmidingerella meunieri (Kofoid & Campbell, 1929) Agatha & Strüder-Kypke, 2012 (original description)
Favella panamensis Kofoid & Campbell, 1929 (original description)
Luminella Kofoid & Campbell, 1939 accepted as Stenosemella Jörgensen (original description)
Luminella pacifica Kofoid & Campbell, 1939 accepted as Stenosemella pacifica Kofoid & Campbell, 1929 (original description)
Metacylididae Kofoid & Campbell, 1929 (original description)

California for Metacylis conica Kofoid & Campbell, 1929 
Eastern Pacific for Poroecus annulatus Kofoid & Campbell, 1929 
Equatorial zone for Acanthostomella lata Kofoid & Campbell, 1929 
Pacific Coast of the United States for Eutintinnus pectinis (Kofoid & Campbell, 1929) 
Pacific Ocean for Steenstrupiella steenstrupii (Claparède & Lachmann, 1858) Kofoid & Campbell, 1929 
Sargasso Sea for Epiplocylis mucronata (Zacharias, 1906) 
South Pacific for Daturella stramonium Kofoid & Campbell, 1929 
South Pacific for Epiplocylis healdi Kofoid & Campbell, 1929 
South Pacific for Epiplocylis sargassensis (Brandt, 1906) 
South Pacific for Parundella inflata Kofoid & Campbell, 1929 
South Pacific for Rhabdonella torta Kofoid & Campbell, 1929 
South Pacific for Salpingella jugosa Kofoid & Campbell, 1929 
Tropical East Pacific for Amplectellopsis Kofoid & Campbell, 1929 
Tropical East Pacific for Amplectellopsis angularis Kofoid & Campbell, 1929 

 Additional information

 for Xystonellopsis abbreviata Kofoid & Campbell, 1929

not reported since description [details]

 Authority

 for Acanthostomella elongata Kofoid & Campbell, 1929

a morphotype of Amphorella norvegica in Meunier 1910, pp 131-132, plate 14, fig.7 given species status by Kofoid & ... [details]

 Taxonomic remark

 for Salpingella ricta Kofoid & Campbell, 1929

According to the text (Kofoid & Campbell 1929, p. 354) "Differs from other species in having the surface rugose ... [details]

 Type locality

 for Parundella acuta Kofoid & Campbell, 1929

The type locality is Station 4722 in the South Equatorial Drift. Occurs also in the Peruvian Current and the ... [details]

 Type locality

 for Tintinnus elongatus Jörgensen, 1924

The type locality is Station 152 of the "Thor" off Barka in the Mediterranean. [details]

 Type locality

 for Undella dilatata Kofoid & Campbell, 1929

The type locality is Station 66 of the Plankton Expedition in the North Equatorial Current of the Atlantic. [details]

 Type locality

 for Xystonellopsis epigrus Kofoid & Campbell, 1929

The type locality is Station 4734 in the South Equatorial Drift. Occurs also in the Easter Island Eddy. [details]