Taxa included

Thorell, T. (1877c). Descriptions of the Araneae collected in Colorado in 1875, by A. S. Packard jun., M.D. Bulletin of the U. S. Geological Survey 3: 477-529.

Taxon
Tetragnatha elongata principalis Thorell, 1877 (Tetragnathidae) 477, (Dmf), Tetragnatha elongata principalis Original description
Tetragnatha elongata undulata Thorell, 1877 (Tetragnathidae) 477, (Dm), Tetragnatha elongata undulata Original description
Tetragnatha elongata debilis Thorell, 1877 (Tetragnathidae) 479, (Df), Tetragnatha elongata debilis Original description
Linyphia orophila Thorell, 1877 (Linyphiidae) 480, (Df), Linyphia orophila Original description
Erigone cacuminum Thorell, 1877 (Linyphiidae) 482, (Df), Erigone cacuminum Original description
Erigone strabo Thorell, 1877 (Linyphiidae) 483, (Df), Erigone strabo Original description
Steatoda variata Gertsch, 1960 (Theridiidae) 485, (Df; preoccupied by Blackwall, 1859, see Steatoda distincta) [urn:lsid:nmbe.ch:spidersp:056117], Steatoda distincta
Psilochorus pullulus (Hentz, 1850) (Pholcidae) 487, (Dm), Pholcus pullulus
Agelenopsis naevia (Walckenaer, 1841) (Agelenidae) 489, (lapsus), Agalenopsis naevia
Gnaphosa muscorum (L. Koch, 1866) (Gnaphosidae) 489, (Df; preoccupied by O. Pickard-Cambridge, 1872), Gnaphosa conspersa
Gnaphosa brumalis Thorell, 1875 (Gnaphosidae) 491, (Df), Gnaphosa scudderi
Zelotes melancholicus (Thorell, 1877) (Gnaphosidae) 493, (Df), Prosthesima melancholica Original description
Xysticus cunctator Thorell, 1877 (Thomisidae) 494, (Df), Xysticus cunctator Original description
Ozyptila conspurcata Thorell, 1877 (Thomisidae) 496, (Df), Ozyptila conspurcata Original description
Mecaphesa lepida (Thorell, 1877) (Thomisidae) 498, (Dm), Diaea lepida Original description
Rhysodromus histrio (Latreille, 1819) (Philodromidae) 500, (Df) [urn:lsid:nmbe.ch:spidersp:060344], Philodromus virescens
Rhysodromus alascensis (Keyserling, 1884) (Philodromidae) 502, (Df; preoccupied by Walckenaer, 1837, see Tmarus angulatus), Philodromus inquisitor
Pardosa sternalis (Thorell, 1877) (Lycosidae) 504, (Df), Lycosa sternalis Original description
Pardosa concinna (Thorell, 1877) (Lycosidae) 506, (Df), Lycosa concinna Original description
Pardosa uncata (Thorell, 1877) (Lycosidae) 508, (Dmf), Lycosa uncata Original description
Pardosa groenlandica (Thorell, 1872) (Lycosidae) 510, (Df) [urn:lsid:nmbe.ch:spidersp:018981], Lycosa tristis
Pardosa groenlandica (Thorell, 1872) (Lycosidae) 512, (Df, preoccupied), Lycosa indagatrix
Pardosa xerampelina (Keyserling, 1877) (Lycosidae) 513, (Df; preoccupied by Walckenaer, 1837, see Lycosa impavida), Lycosa impavida
Pardosa groenlandica (Thorell, 1872) (Lycosidae) 514, (Dmf), Lycosa iracunda
Pardosa sinistra (Thorell, 1877) (Lycosidae) 517, (Dmf), Lycosa sinistra Original description
Hogna frondicola (Emerton, 1885) (Lycosidae) 520, (Df; preoccupied by Keyserling, 1877, see Alopecosa modesta), Tarentula modesta
Alopecosa scalaris (Thorell, 1877) (Lycosidae) 521, (Df), Tarentula scalaris Original description
Phidippus clarus Keyserling, 1885 (Salticidae) 523, (Df, nomen oblitum; N.B.: considered a nomen dubium by Edwards, 2004: 61) [urn:lsid:nmbe.ch:spidersp:061640], Phidippus coloradensis

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