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Trigonia tabacoensis
Taxonomy
Trigonia tabacoensis was named by Barthel (1958). Its type specimen is 1956 XV 40 and is a 3D body fossil. Its type locality is El Tabaco, which is in an Anisian marine limestone in Chile.
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