Category: Allogromiida

Belongs within: Allogromiida. The Allogromiidae are a group of Foraminifera with a pseudochitinous test (or test of agglutinated matter on a pseudochitinous base) known from the Upper Cambrian to the present. Gametes, where known, are amoeboid (Loeblich & Tappan 1964). <==Allogromiidae (see below for synonymy) | i. s.: Rhabdogromia Valkanova 1964G86 | `–R. flexilis (Höglund… Continue reading Allogromiidae

Belongs within: Allogromiida. The Lagynidae are a group of Foraminifera with membranous or pseudochitinous tests. They have been distinguished from the similar Allogromiidae by the production of biflagellate gametes (Loeblich & Tappan 1964). Characters (Loeblich & Tappan 1964): Test small, membranous to pseudochitinous, may have ferruginous encrustations or rarely agglutinated matter; may form colonies; aperture… Continue reading Lagynidae