Talk:Protista

/Archive 1

In support of Kingdom Protista

Protista should remain an accepted taxon of living organisms if for no other reason that it still used, although not exclusively, in references and that it is well understood by micropaleontologists and protozoologists, alike. The assumption that it is polyphyletic may come from its definition by exclusion, that it is a wastebasket taxon, a hodgepodge of living things that simply aren't plants, animals, or fungi.

Protista are better defined by what they are, Eukaria, living organisms with nucleated cells, in which the processes of life are carried out within simple, complex cells rather than by tissues and organs made of simpler more specialized cells.

Protista however is not a clade, since it does not include taxa (other kingdoms) derived from it, making it paraphyletic - a perfectly valid and useful concept. J.H.McDonnell (talk) 21:15, 1 January 2015 (UTC)

Where does it came from Harmony msutu (talk) 06:43, 5 October 2022 (UTC)

Why The Defunct Taxon Protista Should Not Be Used

In the past, the eukaryotes that are neither plants, animals, nor fungi were grouped into the kingdom Protista. However, phylogenetic research has proved that the Protista are a paraphyletic assemblage of eukaryotes. My proposal, which is more phylogenetically accurate, is given here (bolded taxa are previously part of protista):

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Empire Eukarya Subempire Unikonta Infraempire Amoebozoa Kingdom Conosa Kingdom Lobosa Kingdom Protamoebae Infraempire Opisthokonta Kingdom Fungi Unplaced class Choanoflagellata Unplaced class Mesomycetozoea Kingdom Animalia Subempire Bikonta Kingdom Excavata Phylum Loukozoa Phylum Metamonada Phylum Euglenozoa Kingdom Chromista Subkingdom Hacrobia Phylum Cryptophyta Phylum Haptophyta Unplaced class Centrohelida (-> Phylum Heliozoa) Subkingdom Harosa Infrakingdom Rhizaria Infrakingdom Alveolata Infrakingdom Heterokonta Kingdom Plantae Phylum Glaucophyta Phylum Rhodophyta Phylum Chlorophyta Phylum Charophyta Class Mesostigmatophyceae Class Chlorokybophyceae Class Zygnematophyceae Class Charophyceae Class Klebsormidiophyceae Class Coleochaetophyceae Class Cormophyceae (Land plants)

It might have left out a few groups, but I'm kind of still a student. But anyway, there was a a more accurate reflection of eukaryote classification.

-Awesome210, on December 7, 2015 — The preceding unsigned comment was added by Awesome 210 (talk • contribs) 02:35, 8 December 2015.

I support (at least) Regnum Chromista, used by AlgaeBase and WoRMS --Murma174 (talk) 12:48, 21 February 2016 (UTC)

The easiest thing to do with the wastebasket taxon Protista is to redirect to Eukaryota, which contains all protists. The regularly updated Eukaryota taxonomy and classification can be found here Adickey7 (talk) 10:37, 8 August 2024 (UTC)

Protists: Things to do

- ( Discussion moved here from Wikispecies:Village Pump ) -

Hi, I have been working in some protist pages (creation of alternative classifications, creation of referenced pages for genera), but now I'm leaving Wikispecies for a time. However, I would like to make some suggestions (should I include them in Wikispecies:Done and to do? Or in Talk:Protista?):

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for "protozoans protists": I've been following the classification down to genus of Lee et al. (2000). I've created pages for the genera of some groups (specially zooflagellates and amoeboids, using Nomenclator Zoologicus, [1], and other sources), but others are missing. I cite below some sources (cited in the respective pages of each group) for references of the genera listed by Lee et al. (2000): "protozoa related to multicellular groups" Choanoflagellata: Nitsche et al. (2011); Microsporida: Becnel (2014); Myxozoa: Lom & Dykova (2006); Volvocida: Algaebase; "alveolates" Apicomplexa: Nomenclator Zoologicus; Gregarinasina: Desportes & Schrével (2013); Coccidiasina: The Coccidia of the World: Alphabetical List of the Coccidia (Eimeriidae), [2]; Colpodellidae: (genus level: ok); Ciliophora: for this group, Lee et al. (2000) is something incomplete, it lists about 690 genera. I suggest to follow Aescht (2001), which lists 1400 genera; Dinoflagellata: Algaebase; "stramenopiles" Bicosoecida: (genus level: ok); Chrysophyceae: Algaebase; Pelagophyceae: (genus level: ok); Raphidomonadida: (genus level: ok); "residual heterotrophic stramenopiles": (genus level: ok); Slopalinida: (genus level: ok); Synurophyceae: (genus level: ok); Silicoflagellata: (genus level: ok); "ameboid protists" Acantharia: Haeckel works (see Radiolaria); "amoebae of uncertain affinities": (genus level: ok); Arcellinida: Aescht & Foissner (1989) and Medioli (2003) (see Testacea); (genus level: ok); Heliozoa: Nomenclator Zoologicus; Granuloreticulosa: for this group, Lee et al. (2000) is something incomplete, it lists about 490 genera. I suggest to follow the classification of Loeblich & Tappan (1987), which lists 3600 genera (see Foraminifera); Mycetozoa: Mycobank; Phaeodarea: Haeckel works (see Radiolaria); Polycystina: Haeckel works (see Radiolaria); "gymnamoebae": (genus level: ok); Schizocladidae: (genus level: ok); Testaceafilosia: Aescht & Foissner (1989) and Medioli (2003) (see Testacea); (genus level: ok); Trichosidae: (genus level: ok); Xenophyophorea: Tendal (1996); "ameboid & flagellated protists" Pelobiontida: (genus level: ok); Heterolobosea: (genus level: ok); "flagellated protists" Cryptomonadida: (genus level: ok); Diplomonadida: (genus level: ok); Euglenozoa: (genus level: ok); Hemimastigophora: (genus level: ok); oxymonads: (genus level: ok); Parabasalia: (genus level: ok); Pedinophyceae: (genus level: ok); Prasinophyceae: Algaebase; Prymnesiida: Algaebase; "residual heterotrophic flagellates": (genus level: ok); Retortamonadida: (genus level: ok); "other" Haplosporidia: Sprague (1979); Plasmodiophoromycota: Mycobank; for "algal protists": I suggest to create referenced pages for genera, using as source Algaebase, [3]; for "fungus-like protists" (Peronosporomycetes/Oomycetes, Hyphochytrea, Labyrinthulomycetes, Plasmodiophorida, Myxogastrea, Acrasida, Dictyosteliida, Protostelida): I suggest to create referenced pages for genera, using as source Mycobank, [4]; for bacteria: LPSN, [5].

Thanks, Zorahia (talk) 02:17, 30 May 2016 (UTC)

@Zorahia: Thanks for all your research and contributions! As you can see in the thread above, the main problem will be, to find one higher level classification for "Protista" for our Wikispecies-system. And I think, @Awesome 210: above made a very good suggestion. --Murma174 (talk) 11:19, 30 May 2016 (UTC)

Hi @Murma174: in relation to the higher level classification, I would like to embrace the classification of Adl et al., 2012 rather than Cavalier-Smith classifications. Despite of Adl et al., 2012 being informal, it is more stable (see a discussion at Village Pump). --Zorahia (talk) 14:10, 30 May 2016 (UTC)

@Zorahia: Thanks for the link! Yes, Cavalier-Smith appears a little outdated and inconsistent, but what I don't like with Adl et al. is the introduction of several (IMO unnecessary) new names. Honestly I'm not up-to-date with the latest scientific insights, that's why I prefer a generally accepted structure rather than following the newest perceptions. I agree with @EncycloPetey: in the last paragraph of the Feb. 2015-discussion, that we should stay comprehensible for the majority of readers. @Awesome 210:'s suggestion above has much charme to me, as it is comprising several aspects (and following Ruggiero et al. 2015 in general). Anyway I know, that noone is lucky with a compromise. --Murma174 (talk) 16:33, 30 May 2016 (UTC)

Hi @Murma174: I also think @Awesome 210:'s suggestion is good (it uses the 7 "superkingdoms" of Adl, Amoebozoa, Opisthokonta, Excavata, Stramenopiles/Heterokonta, Alveolata, Rhizaria, Archaeplastida/Plantae, and not the kingdom Protozoa of Cavalier). I would only suggest to avoid the use of the taxa Chromista, Bikonta and Unikonta. --Zorahia (talk) 17:57, 30 May 2016 (UTC)

As said above, I'm not such a specialist in these higher regions. For me (sic!) some paraphyletic taxa groups are helpful just for orientation. --Murma174 (talk) 18:22, 30 May 2016 (UTC)

Everybody is taking this too seriously, it was just my suggestion. --Awesome210 (talk) 0:42, 17 June 2016

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What to do with this page

Take a discussion to the pump. Andyboorman (talk) 18:58, 19 October 2019 (UTC)

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