Arachnia (bacterium)

This article is about the genus of actinobacteria. For the butterfly genus, see Araschnia.

Arachnia is a bacterial genus from the family Propionibacteriaceae.^[1][4]

Arachnia
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Actinomycetota
Class:	Actinomycetes
Order:	Propionibacteriales
Family:	Propionibacteriaceae
Genus:	Arachnia Pine and Georg 1969[1]
Type species
Arachnia propionica (Buchanan and Pine 1962) Pine and Georg 1969
Species[2]
A. propionica A. rubra
Synonyms
Pseudopropionibacterium Scholz and Kilian 2016[3]

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)^[1] and National Center for Biotechnology Information (NCBI).^[2]

16S rRNA based LTP_10_2024[5][6][7]

120 marker proteins based GTDB 09-RS220[8][9][10]

Tessaracoccus T. antarcticus Li et al. 2016 T. rhinocerotis Li et al. 2016 T. terricola Chaudhary and Kim 2018 T. flavus Kumari et al. 2016 T. lubricantis Kämpfer et al. 2009 T. aquimaris Tak et al. 2018 T. oleiagri Cai et al. 2011 T. defluvii Srinivasan et al. 2017 T. palaemonis Kim et al. 2022 T. flavescens Lee and Lee 2008 T. bendigoensis Maszenan et al. 1999 T. coleopterorum Hyun et al. 2021 Brooklawnia cerclae Rainey et al. 2006 Arachnia rubra (Saito et al. 2018) Tindall 2019 Tessaracoccus caeni Wang et al. 2023 Tessaracoccus arenae Thongphrom et al. 2017 Tessaracoccus lapidicaptus Puente-Sánchez et al. 2014 Propionimicrobium Vaginimicrobium Propionibacterium Cutibacterium granulosum Acidipropionibacterium Cutibacterium equinum Arachnia propionica (Buchanan & Pine 1962) Pine & Georg 1969 Cutibacterium avidum Cutibacterium

Arachnia Tessaracoccus antarcticus Tessaracoccus rhinocerotis A. rubra "Tessaracoccus massiliensis" Seck et al. 2016 A. propionica Tessaracoccus oleiagri "Tessaracoccus timonensis" Fall et al. 2019 Tessaracoccus lapidicaptus Tessaracoccus flavus Tessaracoccus palaemonis Tessaracoccus defluvii Tessaracoccus flavescens Tessaracoccus aquimaris Tessaracoccus bendigoensis Tessaracoccus coleopterorum

Species incertae sedis:

• "Pseudopropionibacterium massiliense" Belkacemi et al. 2019
• Tessaracoccus lacteus Tan et al. 2025
• "Tessaracoccus nasisuum" Schlattmann et al. 2018
• "Tessaracoccus profundi" Finster et al. 2009

See also

• List of bacterial orders
• List of bacteria genera