Bivalvia - Cardiida - Mactridae
Parent taxon: Spisula according to Gray 1837
Sister taxa: Mactra (Spisula) sammamishensis, Spisula (Austromactra), Spisula (Cymbophora), Spisula (Eomactra), Spisula (Notospisula), Spisula (Ruellia), 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: Spisula (Spisula) albertantonorum Spisula (Spisula) caleta Spisula (Spisula) hualtaca Spisula (Spisula) summa
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Pliocene of Belgium (2 collections), the Netherlands (1)
• Eocene of Peru (3)
Total: 6 collections including 8 occurrences