Draft:Soliformovum expulsum
Species of amoeba
From Wikipedia, the free encyclopedia
Soliformovum expulsum is a species of protostelid amoeba, a type of slime mould.[1][2] [3] It was formally reclassified and described by Frederick W. Spiegel in 1994,[4] based on earlier descriptions by Lindsay Shepherd Olive and Carmen Stoianovitch.
Submission declined on 16 April 2026 by ThatTrainGuy1945 (talk).
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Comment: Notice the headings. If this is not LLM output, please notify me, and I will revert this. 🚂ThatTrainGuy1945 Peep peep! 02:07, 16 April 2026 (UTC)
 | This is a draft article. It is a work in progress open to editing by anyone. Please ensure core content policies are met before publishing it as a live Wikipedia article. Find sources: Google (books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL Last edited by Tankvoy (talk | contribs) 4 days ago. (Update)
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| Soliformovum expulsum | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Phylum: | Amoebozoa |
| Class: | Variosea |
| Order: | Protosteliida |
| Family: | Protosteliidae |
| Genus: | Soliformovum |
| Species: | S. expulsum |
| Binomial name | |
| Soliformovum expulsum (L.S. Olive & Stoian.) Spiegel | |
Taxonomy and etymology
The species was originally described as Protostelium expulsum by L.S. Olive and C. Stoianovitch in 1981.[3][5] It was later moved to the genus Soliformovum in a 1994 revision by Frederick W. Spiegel.[4] The genus name Soliformovum refers to the "sun-shaped" appearance of certain life stages, while the specific epithet expulsum refers to the forceful discharge of its spores.
Description
Soliformovum expulsum is characterized by its reproductive structures known as sporocarps (sometimes called sorocarps to distinguish them from spore-producing structures in fungi or ferns).[3]
Sporocarp structure: Each sporocarp consists of a single spore perched atop a slender, non-cellular stalk.
Spore Discharge: Unlike many other protostelids that rely on passive dispersal, S. expulsum utilizes a "ballistospore" mechanism, where the spore is actively and forcibly discharged from the stalk at maturity.
Amoeboid phase: In its trophic (feeding) stage, it exists as a small, uninucleate amoeba that feeds on bacteria and fungal spores.
Distribution and habitat
The species has a cosmopolitan but patchy distribution, often found on decaying plant matter, particularly dead attached parts of vascular plants.[3] Recent ecological surveys have expanded its known range to include diverse regions such as the Uludağ University Campus forest in Turkey.
Scientific significance
S. expulsum is studied to understand the evolutionary transition from single-celled amoebae to multicellular fruiting structures. Its active spore dispersal mechanism makes it a subject of interest in fungal and protist biomechanics.
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