Nummulitidae
Sign in to saveNummulitidae is a family of foraminifera in the order Rotaliida. It was described in 1827 by Henri Marie Ducrotay de Blainville.
Species
FAMILY
- KingdomChromista
- PhylumForaminifera
- ClassGlobothalamea
- OrderRotaliida
- FamilyNummulitidae
Habitatmarine
貨幣蟲（學名：Nummulites）是一種曾在新生代第三紀（Tertiary）大量生長的古老海生單細胞有孔蟲，存在於中生代末期到新生代早期。其化石呈大型扁豆狀，直徑約可達6公分。貨幣蟲的外廓呈圓形，且兩面突起，是由內部呈螺旋狀排列的小腔室組成。它們聚居在古代特西斯海洋的溫暖區域。 它們的化石經常出現在屬於第三紀的岩石中，尤其是地中海沿岸地區。由於其化石可當作指準化石（Index fossils）用途，因此頗具重要性。 貨幣蟲的學名「Nummulites」之字源為「nummulus」，在拉丁文中意指「小銅板」，得名於其造型與錢幣類似的緣故。
via GBIF
Article
2 sectionsContents
- Genera
- References
Nummulitidae is a family of foraminifera in the order Rotaliida. It was described in 1827 by Henri Marie Ducrotay de Blainville.
== Genera == Assilina d'Orbigny, 1839 Cycloclypeus W.B. Carpenter, 1856 Heterocyclina Hottinger, 1977 Heterostegina d'Orbigny, 1826 Nummulites Lamarck, 1801 Operculina d'Orbigny, 1826 Operculinella Yabe, 1918 Planoperculina Hottinger, 1977 Planostegina Banner & Hodgkinson, 1991