|
Test Shape
|
Outline
Shape |
Cross-section |
Periphery |
Periphery |
Chamber |
Chamber |
Chamber |
Chamber |
|---|---|---|---|---|---|---|---|---|
|
Lenticular |
Subparallel |
Suboval |
Acute |
Double keel |
Trochospiral (Low/High) |
Subspherical |
Very gradual |
High |
|
Globular |
Lobulate |
Oval |
Subacute |
Imperforate band |
Planispiral |
Ovate |
Gradual |
Moderate |
|
Flaring |
Conical |
Elliptical |
Subrounded |
Single keel |
Biserial |
Elongate |
Rapid |
Slight |
|
Spherical |
Tapered |
Circular |
Rounded |
Spines |
Triserial |
Broad |
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|
Elongate |
Quadrate |
Biconvex |
Imperforate |
|
Quadriserial |
Crescentic |
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|
Subrhombohedral |
Globular |
Subcircular |
Truncate |
|
Streptospiral |
Globular |
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|
Conical |
Ovate/Ovoid |
Plano-convex |
Keeled |
Unilocular |
Narrow |
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|
Cylindrical |
Subcircular |
Subquadrate |
Triloculine |
Chevron-shaped |
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|
Rhomboid |
Lanceolate |
Concavo-convex |
Trapeziform |
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|
Discoidal |
Triangular |
Low |
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Rectilinear |
Subquadrate |
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Fusiform |
Subtriangular |
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Tubular |
Cylindrical |
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Broad and Low |
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Pyriform |
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Subtriangular-subquadrate |
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Tubular |
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Spherical |
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Triangular |
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Subcylindrical/fusiform |
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Cuneiform/reniform |
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Arched |
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Subglobular |
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Globular-cylindrical |
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Globular-irregular |
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Cylindrical - subspherical |
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Umbrella-shaped |
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|
Quadrate |
|
Suture |
Chamber Wall |
Chamber Wall |
Chamber Wall |
Aperture |
Aperture |
Apertural |
Supplementary |
|---|---|---|---|---|---|---|---|
|
Flush |
Perforate |
|
Calcareous |
Interiomarginal umbilical-extraumbilical |
Arch |
Toothplate |
Sutural |
|
Distinct |
Finely perforate |
Longitudinal Costae |
Agglutinated |
Interiomarginal umbilical |
Slit |
Imperforate lip |
|
|
Slightly depressed |
Coarsely Perforate |
Reticulation |
Non calcareous |
Equatorial |
Round |
Crista |
|
|
Moderately depressed |
Imperforate |
Longitudinal striae |
Canaliculate |
Terminal |
High narrow arch |
Sulcus |
|
|
Strongly depressed |
Punctate |
Smooth |
Solid |
Areal |
Cribrate |
Creases |
|
|
Indistinct |
Crenulations |
Alveolar |
Subequatorial |
Loop |
Flap |
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|
Limbate |
Lobes |
Porcelaneous |
Interiomarginal |
Radiate |
Imbricate flap |
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|
Ponticuli |
Lateromarginal |
Oval |
Folium |
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Pitted |
Denticulate rim |
Bifid tooth |
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|
Papillate |
Radial |
Phialine lip |
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|
Hispid |
Elliptical |
Neck |
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|
Pores |
Subtriangular |
Entosolenian tube |
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