Apodera vas - Photo: Leonardo D. Fernández (University of Concepción, Chile)

 

 

Genus Apodera (Loeblich & Tappan, 1961)

 

Diagnosis: Test composed of two clearly distinct parts, a subspherical or ellipsoidal, compressed basal part and a neck. The two parts are separated by a deep constriction. The sides of the neck range are more or less convex in broad view.

Type species: Apodera vas (Certes) Loeblich & Tappan, 1961

 

Key to the species
1
Neck unilaterally incurved, L=93 μm, B=39 μm
A. crenata
-
Neck without incurvation
2
2
Neck straight cylindrical
3
-
Neck somehow swollen at the base, tapering from its junction with the body towards the aperture, L=130-170 μm, B=55-103 μm
A. vas
3
Smaller species, test brown to dark brown. Neck rather straight not swollen at the junction separating the main part of the test from the neck. L=118-158μm, B=75-97 μm
A. vas f. reticollaris
-
Larger species, L=185-220μm, B=125-130 μm
A. wellingtonia

Key from Kosakyan, A.

 

Reference: Kosakyan, A., Gomaa, F., Lara, E. and Lahr, D.J.G. : Current and future perspectives on the systematics, taxonomy and nomenclature of testate amoebae - European Journal of Protistology, 2016