Yoldia (Kalayoldia) cooperii Gabb 1865 (clam)
Bivalvia - Nuculanida - Yoldiidae
PaleoDB taxon number: 86108
Alternative combination: Yoldia cooperi
Belongs to Yoldia (Kalayoldia) according to E. V. Coan et al. 2000
Sister taxa: Yoldia (Kalayoldia) oregona, Yoldia (Kalayoldia) tenuissima
Ecology: facultatively mobile infaunal deposit feeder