Bivalvia - Cardiida - Tellinidae
Parent taxon: Psammacoma according to J. A. Todd 2001
Sister taxa: Macoma (Psammacoma) arctata, Macoma (Psammacoma) ecuadoriana, Macoma (Psammacoma) korobkovi, Macoma (Psammacoma) marmorea, Macoma (Psammacoma) riopirabica, Macoma (Psammacoma) siliqua, Macoma (Psammacoma) talarensis, Psammacoma candida, Psammacoma carlottensis, Psammacoma democraciana, Psammacoma diphas, Psammacoma gatunensis, Psammacoma lamproleuca, Psammacoma olivella, Psammacoma panamensis, Psammacoma tageliformis, Psammacoma talaor, Psammacoma torynoides, Psammacoma zapotalensis
Subtaxa: none
Ecology: facultatively mobile infaunal deposit feeder
Distribution:
• Quaternary of United States (1: North Carolina collection)
• Miocene of Panama (1)
Total: 2 collections each including a single occurrence