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Trigonia (Primatrigonia) zlambachiensis
Taxonomy
Trigonia zlambachensis was named by Haas (1909). It is the type species of Modestella, Modesticoncha, Primatrigonia, Trigonia (Modestella).
It was recombined as Trigonia (Trigonia) zlambachensis by Cox (1952); it was recombined as Primatrigonia zlambachensis by Dronov and Melnikova (1994); it was recombined as Trigonia (Modestella) zlambachensis by Hautmann (2001); it was recombined as Modesticoncha zlambachensis by Hautmann (2009); it was recombined as Trigonia (Primatrigonia) zlambachiensis by Echevarría et al. (2018).
It was recombined as Trigonia (Trigonia) zlambachensis by Cox (1952); it was recombined as Primatrigonia zlambachensis by Dronov and Melnikova (1994); it was recombined as Trigonia (Modestella) zlambachensis by Hautmann (2001); it was recombined as Modesticoncha zlambachensis by Hautmann (2009); it was recombined as Trigonia (Primatrigonia) zlambachiensis by Echevarría et al. (2018).
Sister species lacking formal opinion data
T. aliformis, T. bella, T. brevicostata, T. carinata, T. clavigera, T. conradi, T. corderoi, T. costata, T. crebraecostata, T. elongata, T. guadalupae, T. kenti, T. kidugalloensis, T. leckenbyi, T. libanotica, T. literata, T. loutfyi, T. migeodi, T. mollesensis, T. proelanza, T. prora, T. stelzneri, T. tenuis, T. trafalgarensis, T. kuchensis, T. elongata, T. nitida, T. tumida