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Foraminifera.eu Key to Benthic Species
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Key to Planktonic Species
Includes so far 1306 species
Overall test shape
coiled spirally
elongate
globose to ovate
tubular
round and flat
conical to subconical
fusiform
leaf-like
irregular
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Wall Material
agglutinated
porcelaneous
hyaline
microgranular
organic
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Coiling
single chambered
uniserial
tubular enrolled
biserial
triserial
tri-/bi- to uni-/biserial
spiral to serial
trochospiral
planispiral
miliolid
changing coiling plane
annular
irregular
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Chamber Form
spherical - globular
pyriform
round and flat
tubular
triangular to trapezoid
brick
circular to semicircular
elongate
V-shaped
petaloid
crescentic
irregular
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Aperture Position
terminal
umbilical
extraumbilical
umbilical extraumbilical
basal
areal
multiple apertures
not visible
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Aperture Form
round oval reniform
arcuate lunear arch
slit
radiate
pores
cribrate
special
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Tooth
tooth
no tooth
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Neck
neck
no neck
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Lip
lip
no lip
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Sutures: Depr./Raised
depressed
raised
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Sutures: Straight/Curved
straight
curved
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Sutures: Features
thickened
ponticuli
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Ornamentation: hispid
hispid - pustulose
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costate, striate, reticulate
costate
striate
reticulate
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spinose, projections, fistulose
spinose
projections
fistulose
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keeled
keeled
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Era:
Cenozoic
Mesozoic
Paleozoic
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