Bivalvia - Cardiida - Mactridae
Alternative spelling: Eomactra
Parent taxon: Spisula according to O. Mandic and F. F. Steininger 2003
See also Sepkoski 2002 and Vokes 1980
Sister taxa: Mactra (Spisula) sammamishensis, Spisula (Austromactra), Spisula (Cymbophora), 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 hemphillii, Spisula jacksonensis, Spisula obtruncata, Spisula paralis, Spisula parilis, Spisula praetanius, Spisula praetenuis, Spisula rappahannockensis, Spisula semisulcata, Spisula sookensis, Spisula sorachiensis, Spisula subcuneata, Spisula subtruncata, Spisula twinensis, Spisula veneriformis
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Spisula (Eomactra) in the database