Name: "Mariprofundia" Cavalier-Smith 2020

Category: Class

Proposed as: class. nov.

Etymology: Ma.ri.pro.fun’di.a. N.L. neut. pl. n. Mariprofundia, the Mariprofundales class

Gender: neuter

Type order: "Mariprofundales" Makita et al. 2017

Original publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Alphaproteobacteria Garrity et al. 2006

• Synonyms:

  • Name	Kind
    "Candidatus Zetaproteobacteria" Emerson et al. 2007	homotypic synonym, inaccurate spelling
    "Zetaproteobacteria" Makita et al. 2017	homotypic synonym, not validly published
    "Caulobacteria" Cavalier-Smith 2020	heterotypic synonym, not validly published
    Anoxyphotobacteria (Gibbons and Murray 1978) Murray 1988	heterotypic synonym, validly published under the ICNP, rejected name
    Alphaproteobacteria Garrity et al. 2006	heterotypic synonym, validly published under the ICNP
    "Candidatus Mariprofundia" corrig. Emerson et al. 2007	homotypic synonym, not pro-validly published
    Magnetococcia Chuvochina et al. 2024	heterotypic synonym, validly published under the ICNP
    Alphabacteria Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name

• Notes:
  • 🛺 The type order of this class has been placed in the class Alphaproteobacteria Garrity et al. 2006. Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
  • 🚃 The type order of this class has alternatively been placed in the class "Zetaproteobacteria" Makita et al. 2017. Publication: Makita H, Tanaka E, Mitsunobu S, Miyazaki M, Nunoura T, Uematsu K, Takaki Y, Nishi S, Shimamura S, Takai K. Mariprofundus micogutta sp. nov., a novel iron-oxidizing zetaproteobacterium isolated from a deep-sea hydrothermal field at the Bayonnaise knoll of the Izu-Ogasawara arc, and a description of Mariprofundales ord. nov. and Zetaproteobacteria classis nov. Arch Microbiol 2017; 199:335-346.
  • ✏ The authority of the taxon name (Cavalier Smith) deliberately differs from the authors of the publication (Cavalier Smith and Chao).
  • 🧍 Cavalier-Smith and Chao (2020) proposed the genus name Mariprofundus Emerson et al. 2010 as the nomenclatural type of the class based on the reasoning that Mariprofundales Makita et al. 2010 is not validly published. However, the ICNP did at that time not permit genus names as nomenclatural types of classes. Cavalier-Smith and Chao 2020 could have proposed the name of an order to serve as the nomenclatural type of class. Publication: Emerson D, Rentz JA, Lilburn TG, Davis RE, Aldrich H, Chan C, Moyer CL. A novel lineage of proteobacteria involved in formation of marine Fe-oxidizing microbial mat communities. PLoS One 2007; 2:e667.

Parent taxon: Pseudomonadota Garrity et al. 2021

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.

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Record number: 42892