Methanocaldococcus jannaschii
M. jannaschii
Methanocaldococcus sp. fs406-22
Methanocaldococcus bathoardescens
Methanocaldococcus fervens
Methanocaldococcus indicus
Methanocaldococcus infernus
Methanocaldococcus villosus
Methanocaldococcus vulcanius