Group E
Description
Major morphological characters of protostelids and
protostelid-like ameboid protoctists.
Stages not drawn to scale because morphology, not size, is
important. Modified from: F.W.
Spiegel "Phylum Plasmodial Slime Molds Class Protostelida" in
Handbook of
Protoctista Group Va: E1, sporocarp of
Protosporangium
bisoporum, spores nondeciduous; E2, sporocarp of
Protosporangium
fragile, spores nondeciduous; E3, sporocarp of
Protosporangium articulatum, spores nondeciduous; E4-
5, mastigote cells typical of Protosporangium spp.;
E6-7, amebas typical of Protosporangium spp.;
E8, sporocarp of Clastostelium recurvatum, spores
forcibly discharged; E9, mastigote cell of C.
recurvatum; E10, ameba of C. recurvatum;
E11, spore column of Certatiomyxa fruticulosa
covered with individual sporocarps, entire column is easily
visible to naked eye; E12, individual sporocarp of C.
fruticulosa, spore deciduous; E13, mastigote of C.
fruticulosa.
Keys to the genera of protostelids based on:
Sporocarp Morphology
or Trophic Cell
Morphology