Full reference: V. V. Missarzhevsky. 1970. New generic name Tommotia, nom. nov. Paleontological Journal 1970(2):100-100
Parent taxon: Brachiopoda according to C. B. Skovsted et al. 2009
See also Guo et al. 2022, Landing et al. 2008, Sepkoski 2002 and Skovsted 2006
Sister taxa: Acanthotretella, Ancylopoda, Arthropomata, Articulata, Clitambonoidea, Craniiformea, Dallinacea, Dichotomosella, Drakozoon, Ecardines, Ernogia, Helictopoda, Inarticulata, Lathamella, Linguliformea, Lyopomata, Mickwitziidae, Oymurania, Plectorhynchonella, Pygocaulia, Rhynchonelliformea, Rictia, Surindia, Testicardines, Thecidium, Vjalovithyris
Subtaxa: Eccentrotheca Kelanellidae Kennardiidae Kulparina Lapworthellidae Mitrosagophora Paterimitra Porcauricula Shetlandia Sunnaginiidae Tannuolinidae Tommotiidae Wufengella
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Cambrian of Antarctica (5 collections), Australia (105), Canada (23: New Brunswick, Newfoundland and Labrador, Nova Scotia), China (27), France (1), India (2), Kazakhstan (8), Kyrgyzstan (2), Mongolia (3), Morocco (1), the Russian Federation (42), Sweden (4), the United Kingdom (11), United States (12: Massachusetts, New York)
• Amgan of Kyrgyzstan (1)
• Solvan of Morocco (1)
• Placentian of Canada (2: Nova Scotia), United States (10: Massachusetts)
Total: 260 collections including 451 occurrences