Subgenus (Trigonulina) A. d'Orbigny, 1842

(3-2-4-0-2-3-0-34-3-0-0-0-0)
Ref. Abbott, 1974 p 563
[=(Verticordia) ex Wood, ms, G. B. Sowerby, 1844]
Ref. Keen, 1971 p 302

hancocki F. R. Bernard, 1969
(3-2-4-0-2-3-0-34-3-1-0-0-0)
Ref. Abbott, 1974 p 563

ornata (A. d'Orbigny, 1842) [T]
(3-2-4-0-2-3-0-34-3-2-0-0-0)
Ornata Verticord
Size 0.25" long
Syn. Verticordia (Verticordia) caelata A. E. Verrill, 1884
Ref. Abbott, 1974 p 563 d