Bivalvia - Nuculanida - Yoldiidae
Alternative spelling: Cnesterium
Parent taxon: Yoldia according to E. V. Coan et al. 2000
See also Kafanov et al. 2005, Moore 1983 and Sepkoski 2002
Sister taxa: Yoldia (Kalayoldia), Yoldia (Mirayoldia), Yoldia (Nampiella), Yoldia (Sachalinella), Yoldia (Yoldia), Yoldia blakeleyensis, Yoldia bocasensis, Yoldia clydoniona, Yoldia cupressensis, Yoldia diminutiva, Yoldia dowlingi, Yoldia duprei, Yoldia evansi, Yoldia freytagi, Yoldia gala, Yoldia gladenkovi, Yoldia hikoshimensis, Yoldia impressa, Yoldia inaequisculpta, Yoldia kermadecensis, Yoldia kissoumi, Yoldia laevis, Yoldia limatula, Yoldia mater, Yoldia mcconnelli, Yoldia nasuta, Yoldia newcombi, Yoldia nitida, Yoldia olympiana, Yoldia peninsularis, Yoldia pisciformis, Yoldia sagittalia, Yoldia sammamishensis, Yoldia sapotilla, Yoldia scaphoides, Yoldia serica, Yoldia subscitula, Yoldia supramontereyana
Subtaxa: Yoldia (Cnesterium) aeolica Yoldia (Cnesterium) ermanensis Yoldia (Cnesterium) notabilis Yoldia (Cnesterium) rekinnensis Yoldia (Cnesterium) supraoregona Yoldia (Cnesterium) yamagatana
Distribution:
• Quaternary of United States (12: California collections)
• Pliocene of Japan (3), the Russian Federation (5), United States (3: California, Oregon)
• Miocene of Japan (10), Morocco (5), the Russian Federation (13), United States (5: Alaska)
• Oligocene to Miocene of the Russian Federation (1)
• Oligocene of the Russian Federation (4)
Total: 61 collections including 73 occurrences