original description
Gibson, R. (1995). Nemertean genera and species of the world: an annotated checklist of original names and description citations, synonyms, current taxonomic status, habitats and recorded zoogeographic distribution. <em>Journal of Natural History.</em> 29(2): 271-561., available online at https://doi.org/10.1080/00222939500770161 [details] Available for editors 
basis of record
Gibson, R. (2001). Nemertini (Nemertae), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 152-156 (look up in IMIS) [details]
additional source
Gibson, R. (2005). Nemertina DB. Liverpool John Moore University, UK. [details]
From editor or global species database
Synonymy Prostoma maculatum (partim) = Tetrastemma timofeevai
Tetrastemma maculatum sensu Sumner, 1894 is not a synonym to Tetrastemma timofeevai [details]
Present 