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Choanocystis antarctica Tikhonenkov and Myl’nikov, 2010

Diagnosis:  The species is characterized by bent or curved spicules with a spur at the shaft bend point.
Ecology: marine, from the sandy littoral of King George Island (the South Shetland Islands, Antarctica)

Recent posts

Cyclopyxis magna

Cyclopyxis magna – from Stepanek, 1967 Cyclopyxis magna Stepanek, 1967 Diagnosis: Test relatively high, covered with large mineral grains. The edge of the pseudostome is

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Cyclopyxis marinus

Cyclopyxis marinus – from Decloitre, 1977 Cyclopyxis marinus Decloitre, 1977 Diagnosis: Compared to Cyclopyxis aplanata the pseudostome is very minimally invaginated. It is surrounded by

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Cyclopyxis triangularistoma

Cyclopyxis triangularistoma – from Decloitre, 1980 Cyclopyxis triangularistoma Decloitre, 1980 Diagnosis: Ventral side exclusively covered with very small mineral grains, giving it a pearled appearance.

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Cyclopyxis pirini

Cyclopyxis pirini – from Golemansky 1974 Cyclopyxis pirini Golemansky 1974 Diagnosis: Ventrally, the test is circular. Laterally, the test is low hemispherical with a more

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Cyclopyxis eurystoma alta

C. eurystoma f. alta, after Jung, 1942 Cyclopyxis eurystoma f. alta  Jung, 1942 Diagnosis:  Test and coverage as the type. However, the side profile is

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Cyclopyxis kahli crucigenia

C. kahli var. crucigenia, after Stepanek, 1963 Cyclopyxis kahli var. crucigenia  Stepanek, 1963 Diagnosis:  This variety differs from the type by a small and highly

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