Foraminifera taxon details

Orbitoidoidea Schwager, 1876 †

530661  (urn:lsid:marinespecies.org:taxname:530661)

accepted
Superfamily

Ordering

  • Alphabetically
  • By status

Children Display

marine, fresh, terrestrial
fossil only
Schwager, C., 1876, Saggio di una classificazione dei foraminiferi avuto riguardo alle loro famiglie naturali, Bolletino R. Comitato Geologico d'Italia 7:475-485. , available online at https://biodiversitylibrary.org/page/53477189 [details]   
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2021). World Foraminifera Database. Orbitoidoidea Schwager, 1876 †. Accessed at: http://www.marinespecies.org/foraminifera./aphia.php?p=taxdetails&id=530661 on 2024-03-19
Date
action
by
2010-10-08 07:21:28Z
created

original description Schwager, C., 1876, Saggio di una classificazione dei foraminiferi avuto riguardo alle loro famiglie naturali, Bolletino R. Comitato Geologico d'Italia 7:475-485. , available online at https://biodiversitylibrary.org/page/53477189 [details]   

additional source Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details]  Available for editors  PDF available [request] 
From editor or global species database
Diagnosis Test discoidal to lenticular; dimorphism prominent, microspheric early stage enrolled or biserial, megalospheric generation with distinctive embryonic stage enclosed in a thicker wall, the early coiled or bilocular embryo followed by somewhat larger periembryonal chambers, equatorial and lateral chambers may be differentiated or indistinguishable, chambers of median layer may be subdivided into secondary chamberlets; wall of perforate, hyaline, optically radial calcite; openings present between chambers in geologically older forms, replaced by distinct stolons in advanced forms, no canal system. U. Cretaceous (Santonian) to U. Eocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]