Bivalvia - Cardiida - Mactridae
Alternative spelling: Mactra (Austromactra)
Parent taxon: Spisula according to J. Le Renard and J.-M. Pacaud 1995
See also Lamprell and Whitehead 1992
Sister taxa: Mactra (Spisula) sammamishensis, Spisula (Cymbophora), Spisula (Eomactra), Spisula (Notospisula), Spisula (Ruellia), Spisula (Spisula), Spisula (Spisulona), Spisula (Stereomactra), Spisula arcuata, Spisula brombachensis, Spisula callistaeformis, Spisula compressa, Spisula craspedota, Spisula decisa, Spisula dernburgi, Spisula elliptica, Spisula hannibali, Spisula jacksonensis, Spisula obtruncata, Spisula paralis, Spisula parilis, Spisula praetenuis, Spisula rappahannockensis, Spisula semisulcata, Spisula sookensis, Spisula sorachiensis, Spisula subcuneata, Spisula subtruncata
Subtaxa: Mactra (Austromactra) contraria Mactra (Austromactra) rufescens Spisula (Austromactra) contortula Spisula (Austromactra) lamberti Spisula (Austromactra) laudunensis Spisula (Austromactra) loustauae Spisula (Austromactra) parameces Spisula (Austromactra) recondita
Ecology: facultatively mobile infaunal suspension feeder
Distribution: