Full reference: A. P. Brown and H. A. Pilsbry. 1913. Fauna of the Gatun Formation, Isthmus of Panama: II. Proceedings of the Academy of Natural Sciences of Philadelphia 64:500-519
Belongs to Arca according to A. P. Brown and H. A. Pilsbry 1913
Sister taxa: Arca (Arca), Arca (Argina), Arca (Byssoarca), Arca (Tosarca), Arca angusta, Arca augusta, Arca avellana, Arca bezanconi, Arca biangula, Arca blanfordi, Arca camaronesia, Arca capulopsis, Arca cardiiformis, Arca chevallieri, Arca choffati, Arca cholana, Arca clathrata, Arca cordata, Arca coxi, Arca debilis, Arca delandensis, Arca divaricata, Arca douvillei, Arca feddeni, Arca fuscoides, Arca hispida, Arca holmesii, Arca incerta, Arca interrupta, Arca kannegieteri, Arca labiata, Arca lactea, Arca larkhanaensis, Arca limula, Arca mcnairyensis, Arca mekranica, Arca miliacea, Arca minuata, Arca nannodes, Arca negata, Arca newtoni, Arca obeidi, Arca ovata, Arca pacifica, Arca pantheonensis, Arca particularis, Arca peethensis, Arca prephina, Arca protracta, Arca pseudoantiquata, Arca pseudonavicularis, Arca quadrilatera, Arca radiata, Arca salomonensis, Arca sandbergeri, Arca spiekeri, Arca squamosa, Arca striatula, Arca subfiligrana, Arca sublata, Arca submultiformis, Arca sulcicosta, Arca terminumbonis, Arca tetragona, Arca tjidamarensis, Arca valdensis, Arca valdiviana, Arca vanholsti, Arca ventricosa, Arca wagneriana, Scapharca zorritensis, Navicula tutamoensis
Type specimen: ANSP (no number), a shell
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 20.0 x 16.0