Bivalvia - Mytilida - Mytilidae
Alternative spelling: Hormomya
Parent taxon: Brachidontes according to J.-M. Pacaud and J. Le Renard 1995
See also Sepkoski 2002 and Vokes 1980
Sister taxa: Brachidontes (Aeidimytilus), Brachidontes (Arcomytilus), Brachidontes (Austromytilus), Brachidontes (Brachidontes), Brachidontes (Scolimytilus), Brachidontes adamsianus, Brachidontes alabamensis, Brachidontes alabamiensis, Brachidontes andinus, Brachidontes bifurcatus, Brachidontes blanckenhorni, Brachidontes domingensis, Brachidontes erosa, Brachidontes exustus, Brachidontes mississippiensis, Brachidontes modiolus, Brachidontes ornatissimus, Brachidontes pectinatus, Brachidontes semilaevis, Brachidontes toechophora, Brachidontes ustulatus, Brachidontes vineyardensis, Brachyodontes charmesi, Brachyodontes convolutus, Modiolus (Brachydontes) olequahensis, Volsella (Brachidontes) dichotoma
Subtaxa: Brachidontes (Hormomya) euglyphus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Australia (3 collections), the Bahamas (2)
• Eocene of New Zealand (1), Peru (2), United States (1: Arkansas)
Total: 9 collections including 10 occurrences