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nominal species Alasmidonta (Decurambis) marginata susquehannae Ortmann, 1919

Alasmidonta (Decurambis) marginata susquehannae Ortmann, 1919 = Alasmidonta marginata

Ortmann, 1919. Mem. Carnegie Mus. 8(1): 187, pl. 12, fig. 4.
(intro'd as intra-sp. of Alasmidonta marginata Say, 1818)
Type(s): LECTOTYPE CM_61.4679 (by Parodiz, 1967: 26), Susquehanna River, Selins Grove, Snyder County, Pennsylvania.

Taxonomic Opinions

+ Alasmidonta marginata Say, 1818 — Watters et al., 2009: 41.

+ Alasmidonta marginata Say, 1818 — Williams et al., 2008: 116.

+ Alasmidonta marginata Say, 1819 — Parmalee & Bogan, 1998: 56.

+ Alasmidonta (Decurambis) marginata Say, 1819 — Clarke, 1981: 57.

+ Alasmidonta (s.s.) marginata Say, 1819 — Burch, 1975: 174.

+ Alasmidonta (Decurambis) marginata (Say, 1819) — Haas, 1969: 394.

+ Decurambis marginata (Say, 1818) — Frierson, 1927: 21.