Mendax duplicarinata Powell, 1940

Mendax duplicarinata Powell, 1940: 232, pl. 29, fig. 4.

Metaxia duplicarinata (Powell, 1940) — Marshall 1979: 398, fig. 1d–f.

Type locality. New Zealand, Between Spirits Bay and Three Kings Islands in 50 fathoms deep (91 m) .

Type material. AIM MA72092, holotype .

Distribution. New Zealand (Powell 1940; Marshall 1979).

(†) Triphoris dupliniana Olsson, 1916

Triphoris dupliniana Olsson, 1916: 138, pl. 3, fig. 8.

Triphoris (Cosmotriphora) dupliniana Olsson, 1916 — Olsson & Harbison 1953: 295, pl. 43, fig. 2.

Triphora dupliniana (Olsson, 1916) — Rolán & Fernández-Garcés 2007: 15.

Cosmotriphora dupliniana (Olsson, 1916) — Rosenberg et al. 2009: 645.

Cheirodonta dupliniana (Olsson, 1916) — Fernandes & Pimenta 2019a: 12, fig. 5–6.

Type locality. United States, North Carolina, Natural Well .

Type stratum. Miocene, Duplin Formation.

Type material. PRI 1376, lectotype. PRI 11016, paralectotype .

Distribution. Brazil (Fernandes & Pimenta 2020), Colombia (Daccarett & Bossio 2011), Gulf of Mexico (Rosenberg et al. 2009; Fernandes & Pimenta 2020), Panama (Fernandes & Pimenta 2020), United States, Connecticut (Fernandes & Pimenta 2020), United States, Florida (Olsson & Harbison 1953; Fernandes & Pimenta 2020), United States, Georgia (Fernandes & Pimenta 2019a), United States, Louisiana (Garcia & Lee 2002; Rosenberg et al. 2009), United States, North Carolina (Olsson 1916; Gardner 1948; Miller 1989; Rosenberg et al. 2009; Fernandes & Pimenta 2020), United States, South Carolina (Fernandes & Pimenta 2020), United States, Texas (Fernandes & Pimenta 2020), United States, Virginia (Olsson 1916; Gardner 1948; Fernandes & Pimenta 2020).

Geological age. Pleistocene (Miller 1989), Pliocene (Olsson & Harbison 1953), Miocene (Olsson 1916; Olsson & Harbison 1953; Fernandes & Pimenta 2020).

Remarks. Lectotype designation by Fernandes & Pimenta (2020). The record of Olsson & Harbison (1953) from Florida is an incorrect identification and should be Marshallora spec. (Fernandes & Pimenta 2020). Daccarett & Bossio (2011) reported this species as Triphora spec. 1 (Fernandes & Pimenta 2020). Triphora (Cosmotriphora) bolax Olsson & Harbison, 1953 and Cheirodonta mizifio M.R. Fernandes & Pimenta, 2015 are considered junior synonyms of Triphoris dupliniana Olsson, 1916 by Fernandes & Pimenta (2020).