Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Arotonaias

species Arotonaias encarpa (Lea, 1868): synonymy

9 specimens

Synonymy

Unio (Plagiola?) imbricatus Mørch, 1861

(homonym of Unio imbricatus Hislop, 1860)
Mørch, 1861. Malak. Blatt. 7: 205.

Unio (Arotonaias) imbricatus — Martens (1900)
Plagiola (Arotonaias) (Group of Plagiola cyrenoides) imbricata — Simpson (1914)
Arotonaias imbricata — Frierson (1927), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Pachynaias imbricata — Haas (1929)
Arotonaias encarpa — Cummings et al. (2025)

image of type lot

Unio encarpus Lea, 1868

Lea, 1868. Proc. Acad. Nat. Sci. 20: 95.
specimen image from publicationLea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 294 [54], pl. 42, fig. 105.
Type(s): LECTOTYPE USNM_84386 (by Johnson & Baker, 1973: 154), L. Nicaragua.

Plagiola (Ptychoderma) encarpa — Simpson (1900)
Unio (Arotonaias) imbricatus — Martens (1900)
Plagiola (Arotonaias) (Group of Plagiola cyrenoides) imbricata — Simpson (1914)
Arotonaias imbricata — Frierson (1927)
Arotonaias encarpa — Cummings et al. (2025)

Taxonomic History (since 1900)

Plagiola (Ptychoderma) encarpa — Simpson (1900)
Unio (Arotonaias) imbricatus — Martens (1900)
Plagiola (Arotonaias) (Group of Plagiola cyrenoides) imbricata — Simpson (1914)
Arotonaias imbricata — Frierson (1927), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)
Pachynaias imbricata — Haas (1929)
Arotonaias encarpa — Cummings et al. (2025)