Didacna becenensis Andrusov, 1910 † (original description)
Didacna carditoides Andrusov, 1910 † (original description)
Didacna catillus var. subcatillus Andrusov, 1910 † accepted as Didacna subcatillus Andrusov, 1910 † (original description)
Didacna catillus var. surachanica Andrusov, 1910 † accepted as Didacna surachanica Andrusov, 1910 † (original description)
Didacna catillus var. vulgaris Andrusov, 1910 † accepted as Didacna vulgaris Andrusov, 1910 † (original description)
Didacna incerta (Deshayes, 1838) † accepted as Pontalmyra incerta (Deshayes, 1838) † (basis of record)
Didacna incerta var. fragilis Andrusov, 1910 † accepted as Pontalmyra incerta fragilis (Andrusov, 1910) † (original description)
Didacna karpinskyi Andrusov, 1910 † accepted as Pontalmyra karpinskyi (Andrusov, 1910) † (original description)
Didacna planicostata var. kiptschakensis Andrusov, 1910 † accepted as Pontalmyra kiptschakensis (Andrusov, 1910) † (original description)
Didacna subcrassatellata Andrusov, 1910 † accepted as Pontalmyra subcrassatellata (Andrusov, 1910) † (original description)
Didacna subcrenulata Andrusov, 1910 † accepted as Pontalmyra subcrenulata (Andrusov, 1910) † (original description)
Didacna subdepressa Andrusov, 1910 † accepted as Pontalmyra subdepressa (Andrusov, 1910) † (original description)
Didacna subincerta Andrusov, 1910 † accepted as Pontalmyra subincerta (Andrusov, 1910) † (original description)
Didacna subsulcatina Andrusov, 1910 † accepted as Pontalmyra sulcatina subsulcatina (Andrusov, 1910) † (original description)
Didacna voskobojnikovi Andrusov, 1910 † accepted as Pontalmyra voskobojnikovi (Andrusov, 1910) † (original description)