Included taxa
Simon, E. (1890a). Etudes arachnologiques. 22e Mémoire. XXXIV. Etude sur les arachnides de l'Yemen. Annales de la Société Entomologique de France (6) 10: 77-124. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Afraflacilla asorotica | Salticidae | 116 (Dmf) | Pseudicius asoroticus |
| Agalenatea liriope | Araneidae | 104 (Dmf, preoccupied) | Epeira modesta |
| Anelosimus dialeucon | Theridiidae | 97 (Df) | Theridion dialeucon |
| Archaeodictyna sexnotata | Dictynidae | 86 (Dmf) | Dictyna sexnotata |
| Archaeodictyna suedicola | Dictynidae | 86 (Dmf) | Dictyna suedicola |
| Argiope australis | Araneidae | 101 (Df) | Argiope nigripes |
| Argiope sector | Araneidae | 101 | Argiope clarki |
| Cheiracanthium debile | Cheiracanthiidae | 111 (Dmf) | Cheiracanthium debile |
| Cithaeron praedonius | Cithaeronidae | 91 (Df) | Tephlea semilimbata |
| Crossopriza pristina | Pholcidae | 93 (Dmf) | Artema pristina |
| Cyrtophora subacalypha | Araneidae | 102 (lapsus) | Cyrtophora acalyphoides |
| Gasteracantha sanguinolenta | Araneidae | 100 (Df) | Gasteracantha schweinfurthi |
| Heliophanillus fulgens | Salticidae | 119 (Df) | Heliophanus lucipeta |
| Idiops yemenensis | Idiopidae | 83 (Df) | Idiops yemenensis |
| Ischnocolus jickelii | Theraphosidae | 83 (Df) [urn:lsid:nmbe.ch:spidersp:001876] | Chaetopelma adenense |
| Latrodectus hystrix | Theridiidae | 99 (Df) | Latrodectus hystrix |
| Micaria ignea | Gnaphosidae | 110 (Df) | Micaria trochilus |
| Mogrus praecinctus | Salticidae | 117 (Dmf) | Mogrus praecinctus |
| Myrmarachne tristis | Salticidae | 115 (Dm) | Salticus tristis |
| Ninetis subtilissima | Pholcidae | 96 (Dmf) | Ninetis subtilissima |
| Oecobius petronius | Oecobiidae | 85 (Dmf) | Oecobius petronius |
| Oxyopes pigmentatus | Oxyopidae | 114 (Dmf) | Oxyopes pigmentatus |
| Oxyopes rutilius | Oxyopidae | 114 (Dj) | Oxyopes rutilius |
| Pararaneus spectator | Araneidae | 103 (Df) | Epeira suedicola |
| Peucetia striata | Oxyopidae | 113 (Df) | Peucetia fasciiventris |
| Phlegra chrysops | Salticidae | 119 (Dm) | Phlegra chrysops |
| Prodidomus aurantiacus | Gnaphosidae | 89 (Dm) | Prodidomus aurantiacus |
| Prodidomus nigellus | Gnaphosidae | 90 (Df) | Prodidomus nigellus |
| Scytodes univittata | Scytodidae | 88 (Df) | Dictis arabica |
| Scytodes univittata | Scytodidae | 123 (Df) | Dictis perimensis |
| Smeringopus lineiventris | Pholcidae | 95 (Dmf) | Smeringopus lineiventris |
| Smeringopus pallidus | Pholcidae | 94 | Smeringopus elongatus |
| Thanatus plumosus | Philodromidae | 190 (Df) | Thanatus plumosus |
| Theridion fruticum | Theridiidae | 98 (Dmf) | Theridion fruticum |
| Theridion incanescens | Theridiidae | 97 (Dmf) | Theridion incanescens |
| Thomisus daradioides | Thomisidae | 108 (Df) | Thomisus daradioides |
| Thomisus tetricus | Thomisidae | 108 (Dmf) | Thomisus tetricus |
| Trichonephila senegalensis schweinfurthi | Araneidae | 105 (Df) | Nephila schweinfurthi |
| Uloborus plumipes | Uloboridae | 84 (Df) | Uloborus pictiventris |
| Xestaspis nitida | Oonopidae | 88 (Df) | Gamasomorpha hyperion |
| Xysticus helophilus | Thomisidae | 108 (Df) | Xysticus helophilus |
| Zodarion aerium | Zodariidae | 92 (Dm) | Zodarion aerium |
Genera
| Genus | Family | Page |
|---|---|---|
| Ninetis Simon, 1890 | Pholcidae | ? |
| Smeringopus Simon, 1890 | Pholcidae | ? |