Name: Myxogastria Caval.-Sm.
Most Confident Observations:
Copyright © 2013 Rocky Houghtby
Copyright © 2010 Paul Derbyshire (Twizzler)
Copyright © 2008 Paul Derbyshire (Twizzler)
Copyright © 2015 Mycoshaman (Mycoshaman)
Version: 12
Previous Version

First person to use this name on MO: Jason Hollinger
Editors: Danny Newman, Jacob Kalichman


Rank: Class

Status: Deprecated

Name: Myxogastria

Author: Caval.-Sm.

Citation: Caval.-Sm., Eur. J. Protist. 49(2): 146 (2012) 2013

Preferred Synonyms:Myxomycetes G. Winter

Deprecated Synonyms: Myxomycophyta, Myxogastrea L.S. Olive, Myxogastromycetidae G.W. Martin,, Myxogastres Engl. & Prantl

Misspellings: Myxomycetales, Mixomycete, Myxomycete, Mixomycota


Domain: Eukarya

Kingdom: Amoebozoa

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Notes on Taxonomy: [Edit]

from IndexFungorum:

Editorial comment:
This name in not considered to apply to organisms within the fungal clade. Based on subord. Myxogastres Fr. 1829. See also Myxogastria L.S. Olive, 1970, nom. inval., Art. 36.1. Published in accordance with requirements of ICZN, see Art. 45.1

Descriptions: [Create]


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not a paper I’d seen
By: Danny Newman (myxomop)
2020-02-06 15:00:01 CST (-0600)

but certainly seems like the latest and greatest summary of current slime mold higher level taxonomy and nomenclature. I think the point they’re making (or one of them, anyway) is that a wholesale migration of ICN nomenclature over the ICZN nomenclature would be supremely messy, with lots of homonym problems, so it’s better to keep slime molds connected to algal/fungal/plant nomenclature than that of animals, despite the organisms in question clearly and unequivocally belonging to the latter.

so i guess it’s back to Myxomycetes after all, though to be clear, as a class that exist separate from but parallel to Ceratiomyxomycetes and Dictyosteliomycetes. When someone uploads a slime mold and doesn’t know what it is, the default will likely be Myxomycetes, unless there’s the potential for it to be a dictyostelid (unlikely) or a Ceratiomyxa.

they don’t, however, say anything at all as far as I can tell about the status of Mycetozoa versus Eumycetozoa

By: Jacob Kalichman (Pulk)
2019-07-14 19:40:54 CDT (-0500)

As far as I can tell, this name is only formally associated with the ICZN, while the ICN is preferred for slime molds at this rank and below ( “Myxogastria” does not have an acceptable Latin termination for the ICN, for its rank as a subclass.

Equivalent to the accepted class Myxomycetes, which does not include all the macroscopic slime molds (ibid.). Phylum Eumycetozoa (an ICZN name) seems to be the best name for unidentified slime molds in general.

Number of users interested in this name: 0

Created: 2015-03-10 11:01:28 CST (-0600) by Jason Hollinger (jason)
Last modified: 2020-02-06 15:52:07 CST (-0600) by Danny Newman (myxomop)
Viewed: 525 times, last viewed: 2020-08-05 19:13:01 CDT (-0500)
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