Parathuramminacea
From Palaeos.org
Systematics
Order Foraminifera
Suborder Fusulinina
Superfamily Parathuramminacea
Parathuramminacea, the oldest and most primitive superfamily in the Fusulinina, characterized by a globular, elongate, or irregular unilocular test, or one composed of a series or cluster of such chambers. Lower Silurian to Permian. Divided into the following families:
- Archaesphaeridae,
- Parathuramminidae,
- Chrysothuramminidae,
- Ivanovellidae,
- Marginaridae,
- Auroriidae,
- Usloniidae,
- Eovolutinidae,
- Tuberitinidae.
References
Alfred R Loeblich, Jr. and Helen Tappan, 1988. Foraminiferal Genera and their Classification. VanNostrand Reinhold Co. New York N.Y. On line at: [1]
Credits: JM 16 Apr 2011
