Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Parvaspina lanceolata

nominal species Unio arctior var. fisheropsis de Gregorio, 1914

Unio arctior var. fisheropsis de Gregorio, 1914 = Parvaspina lanceolata

de Gregorio, 1914. Il Nat. Siciliano 2: 45, pl. 5, figs. 3a-c.
(intro'd as intra-sp. of Unio arctior Lea, 1838)

Taxonomic Opinions

+ Elliptio (s.s.) lanceolata (Lea, 1828) — Burch, 1975: 163.

+ Elliptio (s.s.) lanceolata (Lea, 1828) — R.I. Johnson, 1970: 334.

= Unio arctior var. fisheropsis de Greg. — de Gregorio, 1914: 45, pl. 5, figs. 3a-c.