Genus Cornuapyxis Coûteaux & Chardez, 1981
Diagnosis: Form similar to Cyclopyxis but aperture crescent-shaped. Shell hemispherical in lateral view, ventral sole weakly invaginated, smooth, dorsal surface covered with small mineral grains.
Ecology: From mosses and soil, tropical rain forests, French Guyana.
Monospecific. Ref. Coûteaux and Chardez (1981).
Type species: Cornuapyxis Iunaristoma Coûteaux & Chardez, 1981.
P. arcelloides – after Penard, 1904 Penardochlamys arcelloides (Penard, 1904) Deflandre, 1953 Diagnosis: Colorless or very slightly yellowish envelope, bag or cauldron-shaped, very thin, chitinous,
Fig. 1: Main cell body of specimen A, partly hidden by debris Haplomyxa sp. Three specimens were observed in a Petri dish, along with two
“Lachmannia” spec., body length 127 µm “Lachmannia” spec. I found two cells, size about 125 µm when ovoid, with an organic-walled membranous test and a
Diplophrys spec., with three tufts of filopodia Diplophrys spec. These cells are granular, never seen before. I found them in a sample from the Bert
I found this specimen in a sample from the Oppad, near Hilversum, 2020. It is similar to Psammonobiotus linearis, but lacks a clear spine at
Sphenoderia compressa, after Badewitz, 2002 Sphenoderia compressa Badewitz, 2002 Diagnosis: Test ovoid, oval in cross section, hyaline, covered with relatively small, oval, rather irregularly arranged