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Longest and shortest prokaryotic names

Updated: March 04, 2011

Recommendattion 6 (1) of the Bacteriological Code (1990 Revision) states the following: Avoid names or epithets that are very long or difficult to pronounce.

In spite of Recommendation 6 there are some long genus names and specific epithets. The longest and shortest prokaryotic names are listed below.

 

Longest prokaryotic names

Names

Genus names

Specific epithets

Forty two letters
Thermoanaerobacterium thermosaccharolyticum

Forty letters
Thermoanaerobacterium polysaccharolyticum

Thirty nine letters
Methanothermococcus thermolithotrophicus
Thermoanaerobacter thermohydrosulfuricus
Thermoanaerobacterium thermosulfurigenes

Thirty eight letters
Hydrogenoanaerobacterium saccharovorans
Streptoverticillium griseoverticillatum
Thioalkalivibrio thiocyanodenitrificans

Thirty seven letters
Aureobacterium arabinogalactanolyticum
Clostridium saccharoperbutylacetonicum
Methanothermobacter thermautotrophicus
Microbacterium arabinogalactanolyticum
Streptoverticillium luteoverticillatum
Streptoverticillium olivoverticillatum
Streptoverticillium rectiverticillatum
Streptoverticillium roseoverticillatum
Thermodesulfobacterium hydrogeniphilum

Twenty four letters
Hydrogenoanaerobacterium

Twenty three letters
Allocatelliglobosispora

Twenty two letters
Caldicellulosiruptor
Clostridiisalibacter
Desulfonatronovibrio
Methanomethylovorans
Phascolarctobacterium
Pseudoflavonifractor
Pseudosphingobacterium
Selenihalanaerobacter
Sulfurihydrogenibium
Thermoanaerobacterium
Thermodesulfobacterium
Thermodesulforhabdus
Thermoflavimicrobium
Thermosediminibacter
Thermoterrabacterium

 

Twenty six letters
saccharoperbutylacetonicum

Twenty four letters
nitratireducenticrescens
phaeogriseichromatogenes

Twenty three letters
arabinogalactanolyticum
phaeoluteichromatogenes
purpurogeneiscleroticus

Twenty two letters
psychrosaccharolyticus
tetrahydrofuranoxydans
thiocyanodenitrificans

Twenty one letters
actinomycetemcomitans
alkalidiazotrophicus
hydrocarbonoclasticus
thermocarboxydovorans
thermohydrosulfuricum
thermohydrosulfuricus
thermosaccharolyticum

 

Shortest prokaryotic names

Names

Genus names

Specific epithets

Ten letters
Dyella soli
Vibrio
xuii
Yania flava

Eleven letters
Afipia felis
Blautia luti
Deleya aesta
Devosia limi
Devosia soli
Dickeya zeae
Erwinia alni
Frankia alni
Hafnia alvei
Haliea rubra
Kaistia soli
Leeia oryzae
Nevskia soli
Rothia aeria
Runella zeae
Stappia alba
Vibrio casei
Vibrio logei
Vibrio rarus
Vibrio ruber

 

Five letters
Asaia
Bosea
Dorea
Iamia
Leeia
Orbus
Yania

Six letters
Afipia
Agreia
Asanoa
Basfia
Deleya
Derxia
Dongia
Dyella
Faenia
Fangia
Gelria
Hafnia
Haliea
Hellea
Hippea
Hongia
Jejuia
Kordia
Labrys
Nisaea
Olleya
Orenia
Pragia
Pricia
Rothia
Ruania
Rudaea
Salana
Shimia
Stella
Vibrio
Yangia
Zhouia

 

Three letters
uli
uda

Four letters
agri
alba
alni
alvi
apis
arvi
boum
cati
ceti
cibi
coli
cyri
doii
dura
dyei
equi
etli
fimi
gari
humi
lari
lata
limi
lini
loti
luti
mali
mays
mira
nova
oeni
olei
oris
ovis
peli
pini
pisi
poae
rapi
rosa
rubi
sedi
sera
soli
suis
tofi
ulmi
vaga
vini
xuii
xyli
yeei
zeae