carideicomes carideicomes carideicomes is a gram-negative, strictly aerobic, oval-shaped and non-motile bacterial genus from the family rhodobacteraceae with one known species (''carideicomes alvinocaridis). carideicomes scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: carideicomeswang et al. 2020 type species carideicomes alvinocaridis species c. alvinocaridis