Taxa included

Gertsch, W. J. (1953). The spider genera Xysticus, Coriarachne and Oxyptila (Thomisidae, Misumeninae) in North America. Bulletin of the American Museum of Natural History 102: 415-482.

Taxon
Theridion backi Children, 1836 (Theridiidae) 418, (most likely a Titanoeca or an Asagena, but its exact placement remains doubtful, taken as nomen dubium), Theridion backii
Thomisus borealis Children, 1836 (Thomisidae) 418, (may be a Philodromus, but its placement is doubtful, taken as nomen dubium), Thomisus borealis
Thomisus corona Children, 1836 (Thomisidae) 418, (quite clearly the common Holarctic Misumena vatia, but taken as nomen dubium by Platnick), Thomisus corona
Xysticus pellax O. Pickard-Cambridge, 1894 (Thomisidae) 421, f. 1-2 (mf, S of Xysticus fissilis and X. ontariensis), Xysticus pellax
Xysticus locuples Keyserling, 1880 (Thomisidae) 423, f. 6 (mf), Xysticus locuples
Xysticus locuples Keyserling, 1880 (Thomisidae) 423, f. 8-9 (Dmf) [urn:lsid:nmbe.ch:spidersp:055479], Xysticus malkini
Xysticus canadensis Gertsch, 1934 (Thomisidae) 425, f. 13 (mf), Xysticus canadensis
Xysticus wagneri Gertsch, 1953 (Thomisidae) 425, f. 21-22 (Dm), Xysticus wagneri Original description
Xysticus discursans Keyserling, 1880 (Thomisidae) 426, f. 25-26 (mf), Xysticus discursans
Xysticus fervidus Gertsch, 1953 (Thomisidae) 427, f. 27-30 (Dmf), Xysticus fervidus Original description
Xysticus apalacheus Gertsch, 1953 (Thomisidae) 428, f. 24 (Df), Xysticus apalacheus Original description
Xysticus britcheri Gertsch, 1934 (Thomisidae) 429, f. 10-12 (f, Dm), Xysticus britcheri
Xysticus chippewa Gertsch, 1953 (Thomisidae) 430, f. 17-20 (Dmf), Xysticus chippewa Original description
Xysticus lassanus Chamberlin, 1925 (Thomisidae) 431, Xysticus lassanus
Xysticus bradti Gertsch, 1953 (Thomisidae) 432, f. 5 (Dm), Xysticus bradti Original description
Xysticus tampa Gertsch, 1953 (Thomisidae) 432, f. 3 (Df), Xysticus tampa Original description
Xysticus funestus Keyserling, 1880 (Thomisidae) 433, f. 31-32 (mf), Xysticus funestus
Psammitis laticeps (Bryant, 1933) (Thomisidae) 434, f. 34-35 (mf), Xysticus laticeps
Xysticus luctans (C. L. Koch, 1845) (Thomisidae) 434, f. 40-41 (mf), Xysticus luctans
Xysticus rockefelleri Gertsch, 1953 (Thomisidae) 435, f. 37-39 (Dmf), Xysticus rockefelleri Original description
Xysticus spiethi Gertsch, 1953 (Thomisidae) 437, f. 23 (Dm), Xysticus spiethi Original description
Xysticus bicuspis Keyserling, 1887 (Thomisidae) 438, Xysticus bicuspis
Xysticus bolivari Gertsch, 1953 (Thomisidae) 438, f. 14-16 (Dmf), Xysticus bolivari Original description
Xysticus toltecus Gertsch, 1953 (Thomisidae) 439, f. 4 (Df), Xysticus toltecus Original description
Xysticus ocala Gertsch, 1953 (Thomisidae) 440, f. 53-56 (Dmf), Xysticus ocala Original description
Xysticus orizaba Banks, 1898 (Thomisidae) 441, f. 48-50 (mf), Xysticus orizaba
Xysticus paiutus Gertsch, 1933 (Thomisidae) 441, f. 42-44 (mf), Xysticus paiutus
Xysticus robinsoni Gertsch, 1953 (Thomisidae) 441, f. 46 (Dmf), Xysticus robinsoni Original description
Xysticus cochise Gertsch, 1953 (Thomisidae) 442, f. 47 (Df), Xysticus cochise Original description
Xysticus imitarius Gertsch, 1953 (Thomisidae) 442, f. 45 (Df), Xysticus imitarius Original description
Xysticus federalis Gertsch, 1953 (Thomisidae) 443, f. 7 (Df), Xysticus federalis Original description
Xysticus coloradensis Bryant, 1930 (Thomisidae) 444, f. 33 (Df), Xysticus coloradensis
Xysticus facetus O. Pickard-Cambridge, 1896 (Thomisidae) 447, f. 51-52 (mf), Xysticus facetus
Xysticus montanensis Keyserling, 1887 (Thomisidae) 451, Xysticus montanensis
Psammitis nevadensis (Keyserling, 1880) (Thomisidae) 452, f. 58 (Df), Xysticus knowltoni
Xysticus luctuosus (Blackwall, 1836) (Thomisidae) 453, Xysticus lutulentus
Xysticus verecundus Gertsch, 1934 (Thomisidae) 454, f. 57 (m), Xysticus verecundus
Xysticus aztecus Gertsch, 1953 (Thomisidae) 455, f. 59 (Dm), Xysticus aztecus Original description
Bassaniana versicolor (Keyserling, 1880) (Thomisidae) 458, f. 60-61, 64 (mf), Coriarachne versicolor
Bassaniana versicolor (Keyserling, 1880) (Thomisidae) 459, f. 67-68 (f, Dm), Coriarachne aemula
Bassaniana utahensis (Gertsch, 1932) (Thomisidae) 460, f. 62-63 (mf), Coriarachne utahensis
Bassaniana floridana (Banks, 1896) (Thomisidae) 461, f. 65-66 (mf), Coriarachne floridana
Coriarachne brunneipes Banks, 1893 (Thomisidae) 461, f. 74-76 (mf), Coriarachne brunneipes
Coriarachne brunneipes Banks, 1893 (Thomisidae) 462, f. 69-72 (Dmf) [urn:lsid:nmbe.ch:spidersp:056842], Coriarachne nakina
Modysticus imitatus (Gertsch, 1953) (Thomisidae) 464, f. 77-78 (Dm), Ozyptila imitata Original description
Modysticus modestus (Scheffer, 1904) (Thomisidae) 464, f. 82 , (mf), Oxyptila modesta
Modysticus Gertsch, 1953 (Thomisidae) 464, type Xysticus modestus Scheffer, 1904; gender masculine Original description
Modysticus imitatus (Gertsch, 1953) (Thomisidae) 465, f. 79 (Df), Ozyptila peon
Ozyptila americana Banks, 1895 (Thomisidae) 466, f. 80 (Df), Ozyptila barrowsi
Ozyptila trux (Blackwall, 1846) (Thomisidae) 467, f. 81 (Df) [urn:lsid:nmbe.ch:spidersp:056882], Ozyptila belma
Psammitis nevadensis (Keyserling, 1880) (Thomisidae) 467, f. 84 (mf), Ozyptila nevadensis
Ozyptila beaufortensis Strand, 1916 (Thomisidae) 468, f. 85-87 (Dm) [urn:lsid:nmbe.ch:spidersp:056883], Ozyptila bison
Ozyptila creola Gertsch, 1953 (Thomisidae) 469, f. 88 (Df), Ozyptila creola Original description
Ozyptila gertschi Kurata, 1944 (Thomisidae) 470, f. 89-91 (m, Df), Ozyptila gertschi
Ozyptila praticola (C. L. Koch, 1837) (Thomisidae) 470, f. 92-93 (mf), Ozyptila praticola
Ozyptila beaufortensis Strand, 1916 (Thomisidae) 471, (f), Ozyptila beaufortensis
Ozyptila hardyi Gertsch, 1953 (Thomisidae) 471, f. 83 (Df), Ozyptila hardyi Original description

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