†Protambonites (lamp shell)
Strophomenata - Billingsellida - Polytoechiidae
PaleoDB taxon number: 26951
Parent taxon: Polytoechiidae according to A. Williams et al. 2000
Sister taxa: Acanthotoechia, Admixtella, Antigonambonites, Asymphylotoechia, Eremotoechia, Martellia, Peritritoechia, Platytoechia, Polytoechia, Raunites, Tritoechia
Subtaxa: Protambonites hooshangi, Protambonites lermontovae
Ecology: stationary epifaunal suspension feeder