Tto accommodate Kornicker's 1991 material [details]
Archiconchoecissa aff. cucullata (small form) Angel, 1983 [details]
Metaconchoecia aff. skogsbergi sensu Angel, 1968 [details]
Also spelled as Bathyconchoecia latirostris in Blachowiak-Samoly. [details]
Orthoconchoecia haddoni 'southern form' (Müller, G.W., 1906) [details]