Bivalvia - Venerida - Mactridae
Full reference: W. M. Gabb. 1869. Section II. Cretaceous Fossils. Part I. Description of New Species. Palaeontology of California, Volume II, Cretaceous and Tertiary Fossils 127-205
Parent taxon: Spisula according to E. L. Packard 1916
Sister taxa: Mactra (Spisula) sammamishensis, Spisula (Austromactra), Spisula (Crassula), Spisula (Eomactra), Spisula (Hemimactra), Spisula (Notospisula), Spisula (Notospisula), Spisula (Ruellia), Spisula (Spisula), 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, Notospisula trigonella
Subtaxa: none
Ecology: facultatively mobile infaunal suspension feeder
Distribution: there are no occurrences of Spisula (Cymbophora) in the database