Allogromiina Loeblich and Tappan, 1961 (*1902), p. 217. Allogromidiaceae Hartog, in Harmer and Shipley, 1906 (*1424), p. 58 (order).

Microcometides Poche, 1913 (*2433), p. 175 (superfamily). Allogromiida De Saedeleer, 1934 (*947), p. 7, 52 (legio). Allogromioidea Chapman and Parr. 1936 (*542), p. 141

(superfamily).

Lagynidea Sigal, in Piveteau,1952 (*2413), p. 154 (super-family).

AllogromiideaPokorný, 1958 (*2447), p. 158. Allogromiida Fursenko, 1958 (*1199), p. 22 (order). Lagynacea Loeblich and Tappan. 1961 (*1902), p. 274

(superfamily).

Lagynea Mikhalevich. 1980 (*2108), p. 54 (class). Lagynata Mikhalevich, 1980 (*2108), p. 54 (subclass). Lagynida Mikhalevich. 1980 (\'2108), p. 54 (order).

Test unilocular or may tend to become multilocular; test wall membranaceous or proteinaceous, may have ferruginous encrusta­tions or small quantity of agglutinated particles. Upper Cambrian to Holocene.