Bivalvia | ... | Unionoidea | Unionidae | Parreysiinae | Lamellidentini | Trapezidens scutum

nominal species Unio marginalis var. zonata Hanley & Theobald, 1872

Unio marginalis var. zonata Hanley & Theobald, 1872 = Trapezidens scutum

Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 587 [as ‘marginalis’].
specimen image from publicationHanley & Theobald, 1872. Conch. Indica (3): 20, pl. 44, fig. 2.
(intro'd as intra-sp. of Unio marginalis Lamarck, 1819)

Taxonomic Opinions

+ Lamellidens scutum (Sowerby, 1868) — Subba Rao, 1989: 169.

+ Lamellidens scutum (Sowerby, 1868) — Prashad, 1922: 108.

= Lamellidens (s.s.) marginalis var. zonata (Hanley & Theobald, 1876) — Preston, 1915: 177.

+ Lamellidens (s.s.) marginalis (Lamarck, 1819) — Simpson, 1914: ad. et corr..

= Lamellidens (s.s.) marginalis var. zonatus (Deshayes) — Preston, 1912: 305.

= Unio (s.s.) marginalis vr. zonata Küst. [sic] — Paetel, 1890: 158.

= Unio marginalis var. zonata Hanley & Theobald — Tapparone Canefri, 1889: 346.

= Unio marginalis var. zonata — Hanley & Theobald, 1872: 20, pl. 44, fig. 2.