Tetrahymenida

Belongs within: Oligohymenophorea. The model tetrahymenidans Published 15 November 2019 Ciliates have long been one of the most (if not the most) confidently recognised groups of unicellular eukaryotes owing to their distinctive array of features, in particular locomotion by means of more or less dense tracts of small cilia that often run the length of… Continue reading Tetrahymenida

Oxytoxum

Belongs within: Peridinoidia. Oxytoxum flowing Published 28 January 2023 The dinoflagellates are perhaps one of the better studied groups of microbial eukaryotes but there are still many subgroups of dinoflagellates that remain poorly known. One such subgroup is the genus Oxytoxum. These distinctive looking marine flagellates, though widespread, are rarely collected in large numbers. They… Continue reading Oxytoxum

Eimeriorina

Belongs within: Sporozoa.Contains: Eimeria. The Eimeriorina are a group of intracellular parasites in which macro- and microgametes are produced independently (Adl et al. 2019). Characters (from Adl et al. 2019): Microgametes and macrogametes develop independently; syzygy is absent; microgamonts produce large number of cilated microgametes; zygote is nonmotile; sporozoites always enclosed in sporocyst within oocyst.… Continue reading Eimeriorina

Published
Categorised as Alveolata

Thoracosphaeraceae

Belongs within: Peridiniales.Contains: Scrippsiella. The Thoracosphaeraceae are a group of dinoflagellates of which many members are unique among alveolates in producing calcareous structures, either as resting cysts or during vegetative stages (Gottschling et al. 2005, as Calciodinellaceae). Molecular phylogenies also indicate the inclusion of a number of non-calcareous taxa in this clade. Zooxanthella nutricola is… Continue reading Thoracosphaeraceae

Eugregarinorida

Belongs within: Sporozoa. The Eugregarinorida are a major subgroup of the gregarine parasites, found in a wide range of invertebrate hosts. Let’s you and me enter syzygy Published 9 May 2015 Finally, you and your beloved are together. For the two of you, there are no others; all the world is yours alone. You gaze… Continue reading Eugregarinorida

Published
Categorised as Alveolata

Aconoidasida

Belongs within: Sporozoa. The Aconoidasida are a group of sporozoans lacking the conoid in at least the asexual stages of the life cycle; members of this group include species of significance to human such as malaria-causing Plasmodium and Theileria causing diseases in livestock. Within the clade, members of the Haemosporida possess ciliated microgametes and a… Continue reading Aconoidasida

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Categorised as Alveolata

Dissodinium

Belongs within: Gymnodinoidia. The life and times of Dissodinium Published 20 June 2018 I’ve referred before to the position of the minute crustaceans known as copepods as one of the major groups of animals making up the marine zooplankton. Copepods form a significant part of the diet for a wide range of other marine animals:… Continue reading Dissodinium

Ceratium

Belongs within: Peridiniphycidae.Contains: Ceratium horridum, Ceratium tripos. Ceratium is a diverse genus of flagellates, including both freshwater and marine species, with three or four horns radiating from the theca. Ceratium… er… Neoceratium… er… Tripos humilis Published 30 July 2013 Ceratium has long been a popular choice as a representative dinoflagellate genus for textbooks, because as… Continue reading Ceratium

Peridiniphycidae

Belongs within: Peridinoidia.Contains: Blepharocysta, Peridiniales, Leptodinioideae, Goniodomaceae, Ceratocorys, Cribroperidinioideae, Ceratium, Gonyaulax. The Peridiniphycidae are a major group of dinoflagellates With a tabulation that accords with, or derives from, a pattern in which there are five or six latitudinal plate series, and which lack a sagittal suture (Adl et al. 2012). PeridiniphycidaeAS12 |–+–PeridinialesJG17 | `–+–‘Gyrodinium’ dorsumC-SC04… Continue reading Peridiniphycidae

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Categorised as Alveolata

Vorticellidae

Belongs within: Oligohymenophorea. The Vorticellidae are a group of sessile ciliates that live attached to their substrate by a contractile stalk. Vorticellidae |–Cothurniopsis imberbisD01 |–EpicarchesiumAB19 |–Ophrydium crassicauleAB19, SX97 |–PelagovorticellaAB19 |–PseudovorticellaAB19 |–CarchesiumH04 | |–C. limneticumC79 | `–C. polypinumH04 `–Vorticella Linnaeus 1767FT93 |–V. campanulaSX97 |–V. convallariaC79 |–V. marinaG84 |–V. microstomaLB90 |–V. monilataSX97 |–V. nebuliferaLB90 |–V. pictaSX97 |–V.… Continue reading Vorticellidae

Published
Categorised as Alveolata