Urceolus

Urceolus
Illustration of U. alenizini by Mereschkowsky (1879)[1]
Scientific classification
Domain: Eukaryota
Clade: Discoba
Phylum: Euglenozoa
Class: Euglenida
Order: Peranemida
Family: Peranemidae
Genus:
Mereschkowsky 1877 ["1879"][a]
Type species
Urceolus alenizini
Mereschkowsky 1877 ["1879"][a]
Species
Synonyms[4]
  • Phialonema Stein 1878[6]
  • Urceolopsis Stokes 1887[7]

Urceolus (from Latin urceolus 'flask', 'pitcher') is a genus of heterotrophic flagellates belonging to the Euglenozoa, a phylum of single-celled eukaryotes or protists. Described by Russian biologist Konstantin Mereschkowsky in 1877, its type species is Urceolus alenizini. Species of this genus are characterized by deformable flask-shaped cells that exhibit at least one flagellum that is active at the tip, arising from a neck-like structure that also hosts the feeding apparatus. They are found in a variety of water body sediments across the globe. According to evolutionary studies, Urceolus belongs to a group of Euglenozoa known as peranemids, closely related to the euglenophyte algae.

  1. ^ a b Cite error: The named reference Mereschkowsky 1879 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Mereschkowsky 1881 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Larsen 1987 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Larsen 1990 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Mereschkowsky 1877 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Phialonema cyclostomum was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Stokes 1887 was invoked but never defined (see the help page).


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