Textulariina

Textulariina

[‚tek·styə·lə′rī·ən·ə]
(invertebrate zoology)
A suborder of foraminiferan protozoans characterized by an agglutinated wall.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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In the section of Zambujal de Alcaria, the percentages of the suborders Textulariina and Spirillinina are relatively important, when compared to those of the remaining identified suborders, being the first one more abundant than the second one.
Recorded foraminiferal assemblages present a high relative abundance of the representatives of the suborder Lagenina (90.2%), followed by representatives of suborders Miliolina (5.6%) and Textulariina (3.5%), the representatives of suborders Spirillinina (0.6%) and Robertinina (0.1%) being only minor components.
The assemblages are dominated by representatives of the suborder Lagenina (90%), followed by Textulariina (6.1%), Spirillinina (2.3%) and very scarce representatives of suborders Miliolina (1.3%) and Robertinina (0.3%).
They are constituted by typical taxa of the Boreal Realm, on which representatives of the suborder Lagenina are the most abundant components (Haynes, 1981; Murray, 1989), usually accompanied by variable percentages of representatives of the suborders Textulariina, Spirillinina, Miliolina, Robertinina and Rotaliina depending on paleoecological conditions.
Marsonella, Spriroplectammina and Coryphostoma characterize the textulariina forms.
Among the vagile benthic forms, the two main groups correspond to the Order Spirillinina (39%, mainly Spirillina and less commonly Conicospirillina) and the Order Textulariina (38%, mainly Reophax and Ammobaculites, with less abundant Ammodiscus, Redmondoides, Ammomarginulina, and Haplophragmoides).
Sometimes, calcareous benthic foraminiferal abundances increase with progradation of highstand systems tract carbonates and abundances of Textulariina increase with prograding lowstand systems tract.