Bivalvia - Cardiida - Mactridae
Full reference: L. R. Saul. 1973. Evidence for the origin of the Mactridae (Bivalvia) in the Cretaceous. University of California Publications in Geological Sciences 97:1-51
Parent taxon: Mactridae according to L. R. Saul 1973
See also Sepkoski 2002
Sister taxa: Darcinia, Darininae, Hemimactra, Leptomactra, Longimactra, Lutrariinae, Mactrinae, Mactropsis, Mactrotoma, Mulinia, Mulinoides, Pteroluter, Pteropsis, Rangia, Scissodesma, Simomactra, Spisula, Tanysiphoninae, Zenatiinae, Gnathodon
Subtaxa: Willimactra (Petromactra) Willimactra (Willimactra)
Type: Willimactra (Willimactra) popenoei
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Mexico (1 collection), United States (25: California, South Dakota)
Total: 26 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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