Sphenoderiidae
Sphenoderia Sphenoderia Sphenoderia Trachelocorythion Family Sphenoderiidae Chatelain et al, 2013 Diagnosis: Testate amoeboid organisms with a test
Sphenoderia Sphenoderia Sphenoderia Trachelocorythion Family Sphenoderiidae Chatelain et al, 2013 Diagnosis: Testate amoeboid organisms with a test
S. macrolepis, from Ecuador (l.) and from Chatelain et al, 2013 (r.) Sphenoderia macrolepis Leidy, 1879 Diagnosis:
Sphenoderia splendida, after Playfair, 1917 Sphenoderia splendida Playfair, 1917 Diagnosis: shell in side-view ovoid, not compressed, in cross-section
S. fissirostris Sphenoderia fissirostris Penard, 1890 Diagnosis: Shell ovoid, composed of four, usually transverse rows of large
Sphenoderia species A S. macrolepis; B S. lenta; C S. valdiviana; D S. pseudominuta; E S. minuta
S. lenta, 43 µm Sphenoderia lenta Schlumberger, 1845 Diagnosis: shell in side-view spherical or elliptical, not compressed,
Difflugia gigantea (left) compared with other species to show its size Difflugia gigantea Schlumberger, 1845 Diagnosis: Shell ovoid,
Lobose testate amoebae Arcella A. conica A. marginata A. mitrata A. jeanelli A. vulgaris A. oyei A.
Arboramoeba cf. reticulata – Photomicrograph: Ernst Hippe, Germany Ernst Hippe, who took the photomicrographs on this page,
Order EUGLYPHIDA Copeland 1956, emend. Cavalier-Smith 1997Test of organic material; most taxa with secreted silica scales held