world of amoeboid organisms



Shell long, cylindrical, slightly tapering, with acuminated fundus or with a clear spine or projection


Difflugia acuminata
Difflugia venusta
Difflugia scalpellum
Difflugia praestans
Difflugia smilion
Difflugia giganteacuminata
Difflugia curvicaulis
Difflugia acutissima
Difflugia microclaviformis
Difflugia mammilaris
Difflugia n.sp.
Difflugia nodosa
Difflugia spec



Shell piriform, variable, without or with one to three horns


Difflugia elegans
Difflugia bacillariarum
Difflugia spec.
Difflugia varians
Difflugia leidyi



Test oblong, ovoid elongated, with neck and smooth rounded fundus


Difflugia oblonga
Difflugia lanceolata
Difflugia yorkui
Difflugia bacillifera
Difflugia bryophila
Difflugia lacustris
Difflugia lacustris
Difflugia lacustris



Test pyriform, with neck and smooth rounded fundus


Difflugia pyriformis
Difflugia gigantea
Difflugia capreolata
Difflugia acutissima
Difflugia spec.
Difflugia pulex
Difflugia cylindrus
Difflugia cylindrus



Test ovoid or broad ovoid


Difflugia binucleata
Difflugia amphora
Difflugia lobostoma
Difflugia gramen
Difflugia lithophila
Difflugia tuberculata
Difflugia brevicolla
Difflugia rubescens



Test more or less globular, with or without spines


Difflugia geosphaerica
Difflugia urceolata
Difflugia lithoplites
Difflugia corona
Difflugia globulosa
Difflugia lebes



Test compressed


Difflugia lucida
Difflugia biconcava
Difflugia bidens


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Cyclopyxis arenata

Cyclopyxis arenata – after Boltovskoy and Lena, 1966 Cyclopyxis arenata (Cushman, 1930) Boltovskoy, 1956 Basionym: Pseudarcella arenata Cushman, 1930 Diagnosis: Hemispherical shell. Convex dorsal side,

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Cyclopyxis overview 2

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Cyclopyxis profundistoma

Cyclopyxis profundistoma – from Kufferath, 1932 Cyclopyxis profundistoma Kufferath, 1932 Diagnosis: The yellowish grey colored test is made of coarser mineral particles, which are connected

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Cyclopyxis maynei

Cyclopyxis maynei – from Kufferath, 1932 Cyclopyxis maynei Kufferath, 1932 Diagnosis: Test cylindrical, characterized by the size of the aperture, which is 87-97 μm wide

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Cyclopyxis kahli obliqua

C. kahli var. obliqua , after Decloitre, 1978 Cyclopyxis kahli var. obliqua   Decloitre, 1978 Diagnosis:  Test with all the characteristics of the type species

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