Side (left) and apertural views of Fallotia colomi, from Loeblich & Tappan (1964).

Belongs within: Soritidae.

The Meandropsininae are a group of porcelaneous Foraminifera known from the Upper Cretaceous and Palaeocene (Loeblich & Tappan 1964).

Characters (from Loeblich & Tappan 1964): Early stage planispirally coiled, later may be discoidal, operculiform, flabelliform, cylindrical or conical in shape; subepidermal chamberlets in marginal zone, with interseptal pillars; aperture commonly cribrate.

Meandropsininae [Broekininae]
    |--Meandropsina Munier-Chalmas in Schlumberger 1898 [incl. Cyclomeandropsina Henson 1950 (n. n.)] LT64
    |    `--*M. vidali Schlumberger 1898 LT64
    |--Edomia Henson 1948 LT64
    |    `--*E. reicheli Henson 1948 LT64
    |--Pseudedomia Henson 1948 LT64
    |    `--*P. multistriata Henson 1948 LT64
    |--Taberina Keijzer 1945 LT64
    |    `--*T. cubana Keijzer 1945 LT64
    |--Pseudorbitolina Douvillé 1910 LT64
    |    `--*P. marthae Douvillé 1910 LT64
    |--Broeckina Munier-Chalmas 1882 [=Broekina Marie 1958; incl. Praesorites Douvillé 1902] LT64
    |    |--*B. dufresnoyi (d’Archiac in d’Archiac & Haime 1854) [=Cyclolina dufresnoyi, *Broekina dufresnoyi] LT64
    |    `--B. moureti (Douvillé 1902) [=*Praesorites moureti] LT64
    |--Nummofallotia Barrier & Neumann 1959 LT64
    |    |--*N. cretacea (Schlumberger 1899) [=Nonionina cretacea; incl. Goupillaudina sanctipetri Marie 1957] LT64
    |    `--N. apula LSM-CG00
    `--Fallotia Douvillé 1902 [incl. Ayalaina Seiglie 1961, Fascispira Silvestri 1940] LT64
         |--*F. jacquoti Douvillé 1902 LT64
         |--F. colomi (Silvestri 1940) [=*Fascispira colomi] LT64
         `--‘Meandropsina’ rutteni Palmer 1934 [=*Ayalaina rutteni] LT64

*Type species of generic name indicated


[LT64] Loeblich, A. R., Jr & H. Tappan. 1964. Sarcodina: chiefly “thecamoebians” and Foraminiferida. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt C. Protista 2 vol. 1. The Geological Society of America and The University of Kansas Press.

[LSM-CG00] Luperto Sinni, E., J. Martín-Chivelet & R. Giménez. 2000. Praemurgella valenciana nov. gen. et sp. (Foraminifera) in the Sierra de Utiel Formation (Coniacian–Santonian) of the Prebetic domain (SE Spain). Geobios 32 (2): 145–151.

No comments:

Post a Comment

Markup Key:
- <b>bold</b> = bold
- <i>italic</i> = italic
- <a href="">FoS</a> = FoS