type Phidippus cyanidens C. L. Koch, 1846; gender masculine

N.B.: usually considered a synonym of Dendryphantes C. L. Koch, 1837 (e.g. Roewer, 1955c: 1618), revalidated as subgenus of that genus by Kraus, 1955b: 76, as separate genus by Prószyński, 1971e: 446 and Brignoli, 1983c: 648.

Transferred to other genera:
Parnaenus chrysis (Walckenaer, 1837) -- see Paraphidippus
Parnaenus convexus Chickering, 1946 -- see Bryantella
Parnaenus crassidens (Kraus, 1955) -- see Metaphidippus
Parnaenus fimbriatus F. O. Pickard-Cambridge, 1901 -- see Metaphidippus
Parnaenus fraternus (Banks, 1898) -- see Paraphidippus
Parnaenus griseus G. W. Peckham & E. G. Peckham, 1901 -- see Phidippus
Parnaenus iris (Walckenaer, 1837) -- see Paraphidippus
Parnaenus multicolor (Hentz, 1845) -- see Paraphidippus

In synonymy:
Parnaenus poecilopus (Caporiacco, 1947, T from Sassacus) = Parnaenus cyanidens (C. L. Koch, 1846) (Scioscia, 1997: 40).
Parnaenus recurvus Chickering, 1946 = Parnaenus cyanidens (C. L. Koch, 1846) (Scioscia, 1997: 40).

Parnaenus cuspidatus F. O. Pickard-Cambridge, 1901a: 288, pl. 27, f. 14 (Dm).
Dendryphantes cuspidatus Petrunkevitch, 1911: 628.
Dendryphantes cuspidatus Kraus, 1955b: 76, f. 219, text-f. 4 (m, T from Lurio).
Lurio cuspidatus Roewer, 1955c: 1223.
Parnaenus cuspidatus Prószyński, 1971e: 446 (T from Dendryphantes).
Parnaenus cuspidatus Scioscia, 1997: 38, f. 1-5 (m).

Phidippus cyanidens C. L. Koch, 1846: 156, f. 1211 (Dm).
Parnaenus cyanidens Peckham & Peckham, 1896: 38, pl. 3, f. 2, 9 (m, Df).
Parnaenus cyanidens F. O. Pickard-Cambridge, 1901a: 288, pl. 27, f. 12-13 (mf).
Dendryphantes cyanidens Simon, 1901a: 618, f. 746 (m).
Parnaeus cyanidens Crane, 1945: 38, f. 4H-M (mf).
Parnaenus recurvus Chickering, 1946: 340, f. 298-303 (Dmf) [urn:lsid:nmbe.ch:spidersp:058141].
Sassacus poecilopus Caporiacco, 1947a: 33 (Df) [urn:lsid:nmbe.ch:spidersp:058140].
Sassacus poecilopus Caporiacco, 1948a: 727, f. 159 (f).
Dendryphantes recurvus Roewer, 1955c: 1199.
Dendryphantes cyanidens Roewer, 1955c: 1193.
Parnaenus cyanidens Prószyński, 1971e: 446 (T from Dendryphantes).
Parnaenus recurvus Prószyński, 1971e: 446 (T from Dendryphantes).
Parnaenus recurvus Maddison, 1996: 332, f. 55 (m).
Parnaenus cyanidens Scioscia, 1997: 39, f. 6-19 (mf, S of Parnaenus recurvus and Sassacus poecilopus).

Phidippus metallicus C. L. Koch, 1846: 151, f. 1207 (Dm).
Dendryphantes metallicus Simon, 1901a: 625.
Phidippus metallicus Prószyński, 1971e: 455 (T from Dendryphantes).
Parnaenus metallicus Scioscia, 1997: 44, f. 20-30 (m, Df, T from Phidippus).
Parnaenus metallicus Prószyński, 2017b: 94, f. 42P (mf).