†superfamily Lyrodesmatacea Ulrich 1894 (clam)
Parent taxon: Trigonioida according to W. B. Harrison and L. K. Harrison 1975
Sister taxa: Andivaugonia, Antutitrigonia, Arabitrigonia, Beichuanioidea, Columbitrigonia, Dampietrigonia, Gobiella, Heslingtonia, Kupenga, Litotrigonia, Macrotrigonia, Mediterraneotrigonia, Megatrigonioidea, Myophorellina, Myophorelloidea, Nakanotrigonia, Neuquenenitrigonia, Paranditrigonia, Procostaria, Pseudocardinioidea, Skwarkoella, Trigoniina, Trigonioidea, Trigonioidoidea, Trigonodoidea, Zaletrigonia, Zulutrigonia
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Lyrodesmatacea in the database