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    Osman Varol, PhD Terminologies
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R pseudoumbilicus
World Wide

Stratigraphy and Paleontology

Specialized in Calcerous Nannofossils
Reticulofenestra pseudoumbilicus

Varol Research was established in 1991 by Osman Varol.

He has over 45 years of extensive worldwide experience, working on sediments ranging from Jurassic to Tertiary age.

Polycostella? beckmannii, influx

P beckmannii

Praeprinsius dimorphosus, influx

VR 07126

Sphenolithus abies, influx

Sphenolithus abies VR 07184

Discoaster deflandrei, influx

Discoaster deflandrei influx 27693

Parallel extinction in Sphenolithus didymikoryfi

Parallel Extinction5

Sphenolithus heteromorphus

Sphenolithus heteromorphus 3 blades
three-bladed apical spine
Sphenolith heteromorphus 1156 8
axial/oblique section

Dizeria vandekampiorum

Dizeria vandekampiorum 17273
cross-polarised
Dizeria vandekampiorum 17274
cross-polarised + λ
Dizeria vandekampiorum 17278
phase-contrast
Dizeria vandekampiorum 17277
bright-field

Nannoconus sp. [coccosphere]

Nannoconus sp 3
cross-polarised
Nannoconus sp 4
cross-polarised + λ
Nannoconus sp1
cross-polarised
Nannoconus sp 2
cross-polarised + λ

Nannoturba joceliniorum

Nannoturba robusta VR 02571
cross-polarised
Nannoturba robusta VR 02570
cross-polarised + λ
Nannoturba robusta VR 02565
cross-polarised
Nannoturba robusta VR 02564
cross-polarised + λ

Assipetra youngii (distal process of loxolith)

Assipetra terebrodentarius novus 14103
cross-polorised
Assipetra terebrodentarius novus 14104
cross-polorised + λ
Assipetra terebrodentarius novus 14089
phase-contrast
Assipetra terebrodentarius novus 14088
bright-field

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For videos of nannofossils in the mobile mount, please visit the YouTube channels of Varol Research

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