In taxonomy, the Desulfurococcaceae are a family of the disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea.[1] Members of this family are distinguished from the other family (Pyrodictiaceae) in the order Desulfurococcales by having an optimal growth temperature below 100 °C, rather than above 100 °C, and by being more diverse.[2] Several genera of the family have been identified (see taxobox).


The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[3] and National Center for Biotechnology Information (NCBI)[4] and the phylogeny is based on 16S rRNA-based LTP release 111 by 'The All-Species Living Tree' Project.[5] According to the study done by 'The All-Species Living Tree' Project Desulfurococcaceae is a paraphyletic and polyphyletic clade with member genera distributed among three clades throughout the base of the class Thermoprotei.


I. hospitalis Paper et al. 2007

I. islandicus Huber et al. 2000 (type sp.)

I. pacificus Huber and Stetter 2000

Fervidococcus fontis Perevalova et al. 2010


S. hellenicus Arab et al. 2000

S. marinus Stetter and Fiala 1986 (type sp.)

Sulfophobococcus zilligii Hensel et al. 1997

Thermosphaera aggregans Huber et al. 1998


?D. amylolyticus Bonch-Osmolovskaya et al. 2001

?D. mobilisZillig and Stetter 1983

?D. saccharovoransStetter 1986

D. mucosus Zillig and Stetter 1983 (type sp.)

D. fermentans Perevalova et al. 2005

D. kamchatkensis Kublanov et al. 2009

  • Desulfurococcaceae clade 2

Stetteria hydrogenophila Jochimsen et al. 1998

Thermodiscus maritimus Stetter 2003


Aeropyrum camini Nakagawa et al. 2004

Aeropyrum pernix Sako et al. 1996 (type sp.)

♦ Type strain lost or not available
♠ Strains found at the National Center for Biotechnology Information (NCBI) but not listed in the List of Prokaryotic names with Standing in Nomenclature (LPSN)


Further Reading[edit]

Scientific journals[edit]

  • Zillig W, Stetter KO, Prangishvilli D, Schafer W, Wunderl S, Janekovic D, Holz I, Palm P (1982). "Desulfurococcaceae, the second family of the extremely thermophilic, anaerobic, sulfur-respiring Thermoproteales". Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. C3: 304–317. [No PubMed record available. 

Scientific books[edit]

  • Huber H, Stetter KO (2001). "Order II. Desulfurococcales ord. nov.". In DR Boone and RW Castenholz, eds. Bergey's Manual of Systematic Bacteriology Volume 1: The Archaea and the deeply branching and phototrophic Bacteria (2nd ed.). New York: Springer Verlag. p. 169. ISBN 978-0-387-98771-2. 

Scientific databases[edit]

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