†Notonychia Sánchez 2001 (clam)
Bivalvia - Myalinida - Ambonychiidae
Full reference: T. M. Sánchez. 2001. Moluscos bivalvos de la Formación Molles (Arenigiano medio), sierra de Famatina, Argenitna. Ameghiniana 38(2):185-193
Parent taxon: Ambonychiidae according to T. M. Sánchez 2001
Sister taxa: Allonychia, Ambonychia, Ambonychinia, Ambonychiopsis, Amphicoelia, Amphiocoelia, Anomalocoelia, Anomalodonta, Byssopteria, Cleionychia, Congeriomorpha, Elasmodophora, Glyptonychia, Gosseletia, Leconychia, Lophonychia, Maryonychia, Mytilarca, Opisthoptera, Paramytilarca, Praeanomalodonta, Psilonychia, Pteronychia, Silurinka
Subtaxa: Notonychia emmae
Ecology: stationary epifaunal suspension feeder