Alacia minor (McHardy, 1964) (basis of record)
Alacia pseudoalata (Chavtur & Shornikov, 1974) accepted as Alacia major Chavtur, 1978 (basis of record)
Archiconchoecinae accepted as Archiconchoeciinae Poulsen, 1969 (basis of record)
Boroecia alaska Angel & Blachowiak-Samolyk in prep (basis of record)
Boroecia borealis (Sars, 1866) (additional source)
Boroecia maxima (Brady & Norman, 1896) (additional source)
Conchoecetta acuminata Claus, 1890 (additional source)
Conchoecetta giesbrechti (Müller, 1906) (additional source)
Conchoecia hyalophyllum Claus, 1890 accepted as Hyalocoecia hyalophyllum (Claus, 1890) (additional source)
Conchoecia lophura Müller G. W., 1906 accepted as Lophuroecia lophura (Müller, 1906) (additional source)
Conchoecia macrocheira Müller G. W., 1906 accepted as Macrochoecilla macrocheira (Müller, 1906) (additional source)
Conchoeciinae Müller G. W., 1912 (basis of record)
Conchoecilla daphnoides Claus, 1890 (additional source)
Conchoecissa ametra (Müller, 1906) (additional source)
Conchoecissa imbricata (Brady, 1880) (additional source)
Conchoecissa plinthina (Müller, G. W., 1906) (additional source)
Cypridinidae Baird, 1850 (additional source)
Discoconchoecia elegans (Sars, 1866) (additional source)
Discoconchoecia pseudodiscophora (Rudjakov, 1962) (basis of record)
Fellia Poulsen, 1969 (basis of record)
Fellia bicornis (Müller, 1906) (additional source)
Fellia cornuta (Müller, 1906) (additional source)
Fellia dispar (Müller, 1906) (basis of record)
Gaussicia edentata (Müller, G. W., 1906) (additional source)
Halocypria Poulsen, 1969 (additional source)
Halocypria globosa Claus, 1874 (additional source)
Halocypridinae (basis of record)
Loricoecia ctenophora (Müller, G. W., 1906) (additional source)
Loricoecia loricata (Claus, 1894) (additional source)
Macrocypridina Skogsberg, 1920 (additional source)
Macrocypridina poulseni Martens, 1979 (basis of record)
Metaconchoecia Howe, 1955 (additional source)
Metaconchoecia fowleri (Gooday, 1981) (additional source)
Metaconchoecia inflata (Gooday, 1981) (additional source)
Metaconchoecia skogsbergi (Iles, 1953) (additional source)
Mikroconchoecia Claus, 1891 (additional source)
Mikroconchoecia acuticosta Müller G. W., 1906 (additional source)
Mikroconchoecia curta (Lubbock, 1860) (additional source)
Mikroconchoecia stigmatica Müller G. W., 1906 (additional source)
Obtusoecia Martens, 1979 (additional source)
Obtusoecia obtusata (Sars, 1866) (additional source)
Orthoconchoecia Granata & Caporiacco, 1949 (additional source)
Orthoconchoecia bispinosa (Claus, 1890) (additional source)
Orthoconchoecia haddoni (Brady & Norman, 1896) (additional source)
Orthoconchoecia striola (Müller, G. W., 1906) (basis of record)
Paraconchoecia Claus, 1891 (additional source)
Paraconchoecia angusta Chavtur, 1986 (basis of record)
Paraconchoecia inermis Claus, 1890 (additional source)
Paramollicia Poulsen, 1973 (additional source)
Paramollicia dichotoma (Müller, G. W., 1906) (additional source)
Porroecia Martens, 1979 (additional source)
Porroecia spinirostris (Claus, 1874) (additional source)
Proceroecia Kock, 1992 (additional source)
Proceroecia brachyaskos (Müller, G. W., 1906) (additional source)

 Authority

 for Bathyconchoecia louiskornickeri Chavtur, 2001

Tto accommodate Kornicker's 1991 material [details]

 Authority

 for Bathyconchoecia pacifica Chavtur, 1977

Raised to specific rank [details]

 identification

 for Archiconchoecissa Chavtur & Stovbun, 2003

Archiconchoecissa aff. cucullata (small form) Angel, 1983 [details]

 identification

 for Metaconchoecia Howe, 1955

Metaconchoecia aff. skogsbergi sensu Angel, 1968 [details]

 Spelling

 for Bathyconchoecia latrostris Poulsen, 1972

Also spelled as Bathyconchoecia latirostris in Blachowiak-Samoly. [details]

 Taxonomy

 for Euconchoecia aspicula Chavtur in press

(ex E. chierchiae apsicula Deevey '82) [details]

 Taxonomy

 for 

(ex B.bifurcata pax) (see Korniker & Iliffe 1989) [details]

 Validity

 for Euconchoecia elongata Müller, 1906

Renamed E. elongata Tseng, 1969 [details]

 Validity

 for Orthoconchoecia haddoni (Brady & Norman, 1896)

Orthoconchoecia haddoni 'southern form' (Müller, G.W., 1906) [details]