In synonymy:
Mimicosa Petrunkevitch, 1925 = Architis Simon, 1898 (Santos, 2007b: 498)
Sisenna Simon, 1898 = Architis Simon, 1898 (Carico, 1993a: 202)
Staberius Simon, 1898 = Architis Simon, 1898 (Santos, 2007b: 498)

type Architis tenuis Simon, 1898; gender feminine

N.B.: considered a senior synonym of Sisenna Simon, 1898f: 12 [urn:lsid:nmbe.ch:spidergen:05164] (type S. helveola Simon 1898) (placed in the "Trechalea genus-group" by Sierwald, 1990: 51) by Carico, 1993a: 202, and of Staberius Simon, 1898f: 16 [urn:lsid:nmbe.ch:spidergen:01730] (type S. aculeatus Simon, 1898 =  Architis spinipes (Taczanowski, 1874)) and Mimicosa Petrunkevitch, 1925a: 125 [urn:lsid:nmbe.ch:spidergen:01392] (type M. spinosa Petrunkevitch, 1925) by Santos, 2007b: 498.

Transferred to other genera:
Architis argenteonotatus Simon, 1898 -- see Thaumasia
Architis paulistana Mello-Leitão, 1917 -- see Aglaoctenus

In synonymy:
Architis aculeatus (Simon, 1898) = Architis spinipes (Taczanowski, 1874) (Carico, 1981: 150, sub Staberius).
Architis benoisti (Caporiacco, 1954, T from Thaumasia) = Architis spinipes (Taczanowski, 1874) (Silva & Carico, 2012: 28).
Architis lemoulti (Caporiacco, 1954, T from Staberius) = Architis spinipes (Taczanowski, 1874) (Santos, 2007b: 499).
Architis nitidopilosa Simon, 1898 = Architis tenuis Simon, 1898 (Santos, 2007a: 7).
Architis proxima (Mello-Leitão, 1921, T from Thanatidius = Pisaurina) = Architis tenuis Simon, 1898 (Carico, 1993a: 202).
Architis sinops Carico, 1989 = Architis brasiliensis (Mello-Leitão, 1940) (Santos, 2007a: 33).
Architis spinipes (F. O. Pickard-Cambridge, 1903, T from Thanatidius = Pisaurina) = Architis spinipes (Taczanowski, 1874) (Carico, 1993b: 232, sub Staberius).
Architis spinosa (Petrunkevitch, 1925, T from Mimicosa) = Architis spinipes (Taczanowski, 1874) (Santos, 2007b: 499).
Architis suarez Carico, 1989 = Architis cymatilis Carico, 1981 (Santos, 2007a: 11).
Architis vilhena Carico, 1981 = Architis tenuipes (Simon, 1898) (Carico, 1993a: 202).

Architis altamira Santos, 2007a: 20, f. 8C-D (Df).

Nilus amazonicus Simon, 1898f: 17 (Dj).
Architis amazonica Jäger, 2011: 7, f. 16-17 (Tj from Nilus).

Pisaurina brasiliensis Mello-Leitão, 1940d: 199 (Df).
Architis sinops Carico, 1989: 221, f. 1-3 (Dm) [urn:lsid:nmbe.ch:spidersp:019530].
Architis brasiliensis Santos, 2007a: 33, f. 18A-F, 20A-B (mf, T from Pisaurina, S of Architis sinops).
Architis brasiliensis Polotow, Carmichael & Griswold, 2015: 149, f. 16A, 19C, 20E (f).

Architis capricorna Carico, 1981: 148, f. 2, 7, 20-21 (Dm).
Architis capricorna Santos, 2007a: 35, f. 19A-E, 20C-D (m, Df).
Architis capricorna Santos & Nogueira, 2008: 55, f. 9-10 (mf).

Architis catuaba Santos, in Santos & Nogueira, 2008: 53, f. 4-6 (Df).
Architis catuaba Silva, 2013b: 487, f. 1-8 (Dm).

Architis colombo Santos, 2007a: 27, f. 14A-F (Dmf).

Architis comaina Santos, 2007a: 17, f. 7A-D (Dmf).

Architis cymatilis Carico, 1981: 145, f. 6, 11, 18-19, 28-29 (Dmf).
Architis nitidopilosa Carico, 1981: 143, f. 26-27 (f; misidentified per Santos, 2007a: 11).
Architis suarez Carico, 1989: 223, f. 4-5 (Dm) [urn:lsid:nmbe.ch:spidersp:019531].
Architis cymatilis Santos, 2007a: 11, f. 3A-D, 4C-E (mf, S of Architis suarez).

Architis dianasilvae Santos, 2007a: 20, f. 8E-F (Df).

Architis erwini Santos, 2007a: 26, f. 13A-E (Dmf).

Architis fritzmuelleri Santos, 2007a: 29, f. 15A-D (Df).

Architis gracilis Santos, in Santos & Nogueira, 2008: 52, f. 1-3 (Dm).

Sisenna helveola Simon, 1898a: 292, f. 290-291.
Sisenna helveola Simon, 1898f: 12 (Dmf).
Architis helveola Carico, 1993a: 202, f. 1-4 (mf).
Architis helveola Santos, 2007a: 24, f. 12A-E (mf).

Architis ikuruwa Carico, 1981: 147, f. 30-31 (Df).
Architis ikuruwa Santos, 2007a: 17, f. 8A-B (f).

Architis maturaca Santos, 2007a: 14, f. 5A-E (Dmf).

Architis neblina Santos & Nogueira, 2008: 55, f. 7-8 (Df).

Architis robusta Carico, 1981: 147, f. 5, 8, 24-25 (Dm).
Architis robusta Santos, 2007a: 31, f. 16A-D (m, Df).

Ocyale spinipes Taczanowski, 1874: 95 (Dmf).
Staberius aculeatus Simon, 1898a: 293, f. 302 (m).
Staberius aculeatus Simon, 1898f: 16 (Dmf) [urn:lsid:nmbe.ch:spidersp:062075].
Thanatidius spinipes F. O. Pickard-Cambridge, 1903c: 156, pl. 14, f. 10-12 (Df; not Ocyale spinipes Taczanowski) [urn:lsid:nmbe.ch:spidersp:062077].
Tetragonophthalma spinipes Petrunkevitch, 1911: 546.
Mimicosa spinosa Petrunkevitch, 1925a: 125, f. 43-47 (Dm) [urn:lsid:nmbe.ch:spidersp:013931].
Staberius argenteonotatus Mello-Leitão, 1939e: 49, f. 5-6 (f, Dm, misidentified).
Staberius lemoulti Caporiacco, 1954: 56, f. 3, 3a-b (Dmf) [urn:lsid:nmbe.ch:spidersp:019780].
Thaumasia benoisti Caporiacco, 1954: 59, f. 4 (Df) [urn:lsid:nmbe.ch:spidersp:019816].
Staberius spinipes Carico, 1981: 150, f. 34-41 (mf, T from Tetragonophthalma, S of Staberius aculeatus).
Staberius spinipes Sierwald, 1989b: 8, f. 26 (f).
Staberius spinipes Sierwald, 1990: 27, f. 24-26, 39 (m).
Staberius spinipes Carico, 1993b: 232 (S of Thanatidius = Pisaurina spinipes F. O. Pickard-Cambridge).
Architis spinipes Santos, 2007b: 498, f. 3A-D, 4A-C (mf, S of Mimicosa spinosa and Staberius lemoulti).
Architis spinipes Silva & Carico, 2012: 28 (S of Thaumasia benoisti).

Drances tenuipes Simon, 1898f: 18 (Dmf).
Architis vilhena Carico, 1981: 150, f. 1, 10, 22-23 (Dm) [urn:lsid:nmbe.ch:spidersp:062078].
Architis vilhena Carico, 1989: 224, f. 6-7 (Df).
Architis tenuipes Carico, 1993a: 202 (T from Dyrines, S of Architis vilhena).
Architis tenuipes Santos, 2007a: 21, f. 9A-D (mf).

Architis tenuis Simon, 1898a: 292, f. 301 (m).
Architis nitidoplumosa Simon, 1898a: 292 (lapsus).
Architis tenuis Simon, 1898f: 12 (Dmf).
Architis nitidopilosa Simon, 1898f: 13 (Dm) [urn:lsid:nmbe.ch:spidersp:019527].
Thanatidius proximus Mello-Leitão, 1921c: 180 (Df) [urn:lsid:nmbe.ch:spidersp:062076].
Thanatidius parahybensis Mello-Leitão, 1924a: 278 (Df).
Architis tenuis Carico, 1981: 141, f. 4, 9, 16-17, 32-33 (mf; f. 32-33 in legend as Architis nitidopilosa).
Architis nitidopilosa Carico, 1981: 143, f. 3, 12-15 (m, Df; f. 26-27 see Architis cymatilis).
Architis nitidopilosa Sierwald, 1989b: 8, f. 19-21, 25 (f).
Architis tenuis Sierwald, 1989b: 8, f. 22-23 (f).
Architis tenuis Sierwald, 1990: 27, f. 22-23, 42 (m).
Architis tenuis Carico, 1993a: 202 (S of Thanatidius = Pisaurina proximus).
Architis tenuis Santos, 2007a: 7, f. 2A-D, 4A-B (mf, S of Architis nitidopilosa).
Architis tenuis Carvalho & Gasnier, 2019: CB28, f. 111-114 (mf).

Architis turvo Santos, 2007a: 23, f. 10A-C (Df).