|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Orthida - Heterorthidae
It was recombined as Nanorthis grandis by Castellaro (1963); it was recombined as Tarfaya grandis by Villas and Herrera (2013).
|E. Villas and Z. A. Herrera 2013||Tarfaya species with transversely elongated suboval outline, ventral and dorsal muscle fields large for the genus, and ribs of rounded cross-section|