Bivalvia - Cardiida - Mactridae
Alternative spelling: Spisula (Hemimactra)
Parent taxon: Mactridae according to A. J. W. Hendy et al. 2008
See also Clark and Arnold 1923, Gardner 1947, Glenn 1904, Olsson 1914, Packard 1916 and Sepkoski 2002
Sister taxa: Darcinia, Darininae, Leptomactra, Longimactra, Lutrariinae, Mactrinae, Mactropsis, Mactrotoma, Mulinia, Mulinoides, Pteroluter, Pteropsis, Rangia, Scissodesma, Simomactra, Spisula, Tanysiphoninae, Willimactra, Zenatiinae, Gnathodon
Subtaxa: Hemimactra solidissima Spisula (Hemimactra) confraga Spisula (Hemimactra) harrisi Spisula (Hemimactra) hemphillii Spisula (Hemimactra) selbyensis Spisula (Hemimactra) sookensis Spisula (Hemimactra) subparilis
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of United States (51: Delaware, Florida, Louisiana, Maine, Maryland, Massachusetts, New Jersey, New York, North Carolina, South Carolina, Virginia collections)
• Pliocene of United States (12: Florida, North Carolina, South Carolina, Virginia)
• Miocene of United States (29: Florida, Georgia, Maryland)
• Oligocene of Canada (3: British Columbia)
Total: 95 collections including 99 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.