Lagenida

Lagenida
Systematics
without rank: Sar without rank: Rhizaria without rank: Retaria without rank: Foraminifera (Foraminifera) incertae sedis Order : Lagenida
Scientific name
Lagenida
Delage & Hérouard , 1896

The Lagenida are an order of shell-bearing, sea-dwelling unicellular organisms from the group of foraminifera .

features

The species of the order secrete their housings from low-magnesium calcite (<5 mol% magnesium ). The housings are perforated, single-chamber or multi-chamber with either a serial or planispiral arrangement of the chambers, the wall is monolamellar.

Systematics

The order has been fossilized since the Upper Triassic and consists of two superfamilies:

• • Superfamily Nodosariacea
    • Family Nodosariidae
    • Family Lagenidae
    • Family Vaginulinidae
  • Superfamily Polymorphinacea
    • Polymorphinidae family
    • Family Ellipsolagenidae
    • Family Glandulinidae

proof

• Barun K. Sen Gupta: Systematics of modern Foraminifera , In: Barun K. Sen Gupta (Ed.): Modern Foraminifera . Springer Netherlands (Kluwer Academic), 2002, ISBN 978-1-4020-0598-5 , pp. 28 .
• Alfred R. Loeblich, Jr., Helen Tappan: Foraminiferal genera and their classification , E-Book des Geological Survey Of Iran , 2005, Online

Web links

Commons : Lagenida  - collection of images, videos and audio files