Marinactinospora is a genus in the phylum Actinomycetota (Bacteria). It contains a single species, Marinactinospora thermotolerans. The species has a high tolerance for environmental temperatures, up to 55°C.
The name Marinactinospora derives from the Latin adjective marinus, of or belonging to the sea; Greek noun aktis, aktinos (ἀκτίς, ἀκτῖνος), a beam; Greek noun spora (σπορά), a seed, and in biology a spore; Neo-Latin feminine gender noun Marinactinospora, marine and spored ray, referring to marine spore-forming actinomycete. The specific name derives from the Greek noun thermē (θέρμη), heat; Latin participle adjective tolerans, tolerating; Neo-Latin participle adjective thermotolerans, able to tolerate a high temperature.)
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]