Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | |||
![]() | Alicantina | |||
![]() | ![]() | ![]() | Acarinina Moderate to low trochospire; chambers ovoid, usually 4-6 in final whorl. Wall muricate with pustules on umbilical shoulders; | A. medizzai A. collactea A. pentacamerata A. aspensis A. interposita A. echinata A. pseudosubsphaerica A. alticonica A. soldadoensis A. cuneicamerata A. angulosa A. africana A. sibaiyaensis A. esnehensis A. mckannai A. subsphaerica A. bullbrooki A. punctocarinata A. boudreauxi A. rohri A. topilensis A. praetopilensis A. mcgowrani A. quetra A. pseudotopilensis A. wilcoxensis A. esnaensis A. primitiva A. coalingensis A. nitida A. strabocella A. sp. |
![]() | Praemurica Test very low trochospiral, usually 5-6, globular to oval chambers in last whorl, periphery lobulate; Wall non-spinose, weakly cancellate; | |||
Test biconvex | ||||
![]() | ![]() | Igorina Test small, biconvex, evolute, margin narrowly rounded or angular, sometimes with a keel; 5-6 chambers in final whorl Wall, coarsely cancellate, praemuricate, often pustulose. | ||
![]() | Pearsonites small Morozovellids with biconvex–planoconvex tests with an overall rounded periphery | |||
![]() | ![]() | ![]() | Planorotalites Biconvex, keeled test with densely perforate surface | |
![]() | ![]() | ![]() | Astrorotalia Low trochospiral test with keel-spines | |
Test plano-convex | ||||
![]() | ![]() | Morozovella Test typically plano-convex, chambers strongly anguloconical. Wall strongly pustulose (muricate) on parts of spire and umbilicus. Most species with muricocarina. | M. caucasica M. crater M. aragonensis M. lensiformis M. marginodentata M. formosa M. gracilis M. subbotinae M. aequa M. apanthesma M. edgari M. allisonensis M. acuta M. occlusa M. acutispira M. pasionensis M. velascoensis M. conicotruncata M. angulata M. praeangulata M. sp. | |
![]() | ![]() | Morozovelloides Like Morozovella, but derived from Acarinina. |
Catalog entries: Truncorotaloididae
Distinguishing features:
Parent taxon (pf_cenozoic): This is a polyphyletic gruoping including all Cenozoic planktonic foraminifera
This taxon: Muricate
Emended description:
Morphology:
Wall type:
Size:
Geological Range:
Last occurrence (top): at base of Aquitanian Stage (3% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database
First occurrence (base): within Danian Stage (61.61-66.04Ma, base in Danian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Primary source for this page: Berggren et al. 2006 - Eocene Atlas, chap. 9, p. 261
Banner, F. T. (1989). The nature of Globanomalina Haque, 1956. Journal of Foraminiferal Research. 19: 171-179. gs Berggren, W. A., Pearson, P. N., Huber, B. T. & Wade, B. S. (2006b). Taxonomy, biostratigraphy, and phylogeny of Eocene Acarinina. In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication. 41(Chap 9): 257-326. gs V O Loeblich, A. R. & Tappan, H. (1961). Cretaceous planktonic foraminifera: Part I-Cenomanian. Micropaleontology. 7: 257-304. gsReferences:
![]() |
Truncorotaloididae compiled by the pforams@mikrotax project team viewed: 25-5-2022
Short stable page link: https://mikrotax.org/pforams/index.php?id=100308 Go to Archive.is to create a permanent copy of this page - citation notes |