Alternative combination: Scapharca guayubinica
Full reference: C. J. Maury. 1917. Santo Domingo type sections and fossils. Bulletins of American Paleontology 5(30):1-43
Belongs to Anadara (Rasia) according to A. J. W. Hendy et al. 2008
Sister taxa: Anadara (Rasia) actinophora, Anadara (Rasia) andrewsi, Anadara (Rasia) athroa, Anadara (Rasia) bravardi, Anadara (Rasia) carmenensis, Anadara (Rasia) cercadica, Anadara (Rasia) charcoazulensis, Anadara (Rasia) concinna, Anadara (Rasia) corcupidonis, Anadara (Rasia) cornellana, Anadara (Rasia) costaricensis, Anadara (Rasia) dariensis, Anadara (Rasia) democraciana, Anadara (Rasia) emarginata, Anadara (Rasia) fissicosta, Anadara (Rasia) formosa, Anadara (Rasia) golfoyaquensis, Anadara (Rasia) honensis, Anadara (Rasia) inaequilateralis, Anadara (Rasia) lienosa, Anadara (Rasia) lita, Anadara (Rasia) medioamericana, Anadara (Rasia) mirandana, Anadara (Rasia) mississippiensis, Anadara (Rasia) sechurana, Anadara (Rasia) springvalensis, Anadara (Rasia) tamarana, Anadara (Rasia) tirantensis, Anadara (Rasia) wiedenmayeri, Anadara (Rasia) zuliana, Rasia arata
Ecology: facultatively mobile epifaunal suspension feeder
Average measurements (in mm): 45.0 x 31.0