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17,862 references
Polchaninova, N., Gnelitsa, V., Terekhova, V. & Iosypchuk, A. (2021). New and rare spider species (Arachnida, Araneae) from Ukraine. Zoodiversity 55(2): 95-112. doi: 10.15407/zoo2021.02.095 -- Show included taxa
Ponomarev, A. V. & Shmatko, V. Y. (2021). New data on the fauna and taxonomy of spiders (Aranei) in southern Russia. Caucasian Entomological Bulletin 17(1): 211-218. doi: 10.23885/181433262021171-211218 -- Show included taxa
Ponomarev, A. V., Alekseev, S. K., Komarov, Y. E. & Shmatko, V. Y. (2021). Spiders (Aranei) of the Terek River valley in Mozdok District of the Republic of North Ossetia–Alania, Russia. Caucasian Entomological Bulletin 17(2): 351-374. doi: 10.23885/181433262021172-351374 -- Show included taxa
Ponomarev, A. V., Mikhailov, K. G. & Shmatko, V. Y. (2021). Taxonomic remarks on the genus Turkozelotes Kovblyuk et Seyyar, 2009 (Aranei: Gnaphosidae). Arthropoda Selecta 30(1): 113-118. doi: 10.15298/arthsel.30.1.10 -- Show included taxa
Portuguez, B. (2021). Two new species of Kalcerrytus Galiano, 2000 (Araneae: Salticidae) from Tambopata River, Madre de Dios, Peru. Revista Peruana de Biología 28(3, e21109): 1-8. doi: 10.15381/rpb.v28i3.21109 -- Show included taxa
Prajapati, D. A. (2021). Additional distribution records of Zimiris doriae Simon, 1882 (Araneae: Gnaphosidae) from India. Journal of Threatened Taxa 13(6): 18667-18670. doi: 10.11609/jott.7333.13.6.18667-18670 -- Show included taxa
Prajapati, D. A., Kumbhar, S. B., Caleb, J. T. D., Sanap, R. V. & Kamboj, R. D. (2021). Description of two new species of the tribe Chrysillini Simon, 1901 from India (Araneae: Salticidae). Arthropoda Selecta 30(2): 230-238. doi: 10.15298/arthsel.30.2.10 -- Show included taxa
Prajapati, D. A., Hun, N. K. & Raval, J. V. (2021). A new species and a new combination in Palpimanus Dufour, 1820 from India (Aranei: Palpimanidae). Arthropoda Selecta 30(4): 541-545. doi: 10.15298/arthsel.30.4.09 -- Show included taxa
Prokopenko, E. V. (2021). The northernmost record of Oecobius rhodiensis Kritscher, 1966 (Aranei: Oecobiidae). Caucasian Entomological Bulletin 17(2): 333-335. doi: 10.23885/181433262021172-333335 -- Show included taxa
Quispe-Colca, O. M. & Ferretti, N. E. (2021). First record of the tarantula genus Euathlus (Araneae: Theraphosidae: Theraphosinae) in Peru, with the description of a threatened new species. Iheringia, Série Zoologia 111(e2021026): 1-10. doi: 10.1590/1678-4766e2021026 -- Show included taxa
Rengifo, L., Albo, M. J. & Delgado-Santa, L. (2021). The unknown Enna (Araneae: Trechaleidae), new species and first record of wrapped nuptial gifts in the genus. Journal of Arachnology 48(3, 2020): 242-248. doi: 10.1636/JoA-S-20-022 -- Show included taxa
Rheims, C. A. (2021). The Neotropical genera Guadana Rheims, 2010 and Sparianthina Banks, 1929 (Araneae: Sparassidae: Heteropodinae). Zootaxa 5061(3): 401-431. doi: 10.11646/zootaxa.5061.3.1 -- Show included taxa
Ríos-Tamayo, D., Engelbrecht, I. & Goloboff, P. A. (2021). A revision of the genus Hermacha Simon, 1889 (Mygalomorphae: Entypesidae), in southern Africa with revalidation of Hermachola Hewitt, 1915, and Brachytheliscus Pocock, 1902. American Museum Novitates 3977: 1-80. doi: 10.1206/3977.1 -- Show included taxa
Rivera-Quiroz, F. A., Petcharad, B. & Miller, J. A. (2021). First records and three new species of the family Symphytognathidae (Arachnida, Araneae) from Thailand, and the circumscription of the genus Crassignatha Wunderlich, 1995. ZooKeys 1012: 21-53. doi: 10.3897/zookeys.1012.57047 -- Show included taxa
Rix, M. G., Wood, H. M., Harvey, M. S. & Michalik, P. (2021). Micro-computed tomography reveals a remarkable twin intromittent organ in spiders – a novelty for arachnids with direct sperm transfer. Frontiers in Ecology and Evolution 9(794708): 1-7. doi: 10.3389/fevo.2021.794708 -- Show included taxa
Rodrigues, E. N. L., Marta, K. S. & Figueiredo, C. P. (2021). Description of four new species of the spider genus Euryopis Menge, 1868, with new records from Brazil (Araneae, Theridiidae, Hadrotarsinae). Zootaxa 4966(5): 535-549. doi: 10.11646/zootaxa.4966.5.3 -- Show included taxa
Rossi, G. de F., Ghirotto, V. M., Galleti-Lima, A., Indicatti, R. P. & Guadanucci, J. P. L. (2021). “Flying” or digging? The trapdoor spider genus Neocteniza Pocock, 1895: redescription of three species, new records from Brazil, notes on natural history and first record of ballooning for Idiopidae (Araneae, Mygalomorphae). Zootaxa 5023(4): 451-485. doi: 10.11646/zootaxa.5023.4.1 -- Show included taxa
Rubio, G. D. (2021). A new synonym of Titanattus parvus (Mello-Leitão, 1945) (Araneae: Salticidae: Thiodinini). Peckhamia 238.1: 1-4. -- Show included taxa
Rubio, G. D., Stolar, C. E. & Baigorria, J. E. M. (2021). Pachomius areteguazu sp. nov. (Araneae: Salticidae: Freyina), and the first description of the epigynum of a member of the nigrus group. Peckhamia 234.1: 1-8. -- Show included taxa
Rueda, A., Lozano, D., Muñoz-Charry, V., Velásquez-Vélez, M. I,, Amézquita, A., Parra, D. & Realpe, E. (2021). Phylogeny of the genus Latrodectus (Araneae: Theridiidae) and two new species from the dry forests in the Magdalena Valley-Colombia. Species 22(70): 243-265. -- Show included taxa
Ruiz, G. R. S., Costa, E. L. S. & Bustamante, A. A. (2021). Revision of Gypogyna Simon, 1900 (Araneae: Salticidae). Zootaxa 5057(2): 241-259. doi: 10.11646/zootaxa.5057.2.5 -- Show included taxa
Růžička, V. (2021). Pavouci nehlubokých podzemních biotopů Slovenska [Spiders from shallow subterranean habitats in Slovakia]. Pavouk 50: 9-10. [[a corrected version was produced in April 2022]] -- Show included taxa
Sakamoto, T. & Baba, Y. (2021). [Record of Hakka himeshimensis in Tokyo]. Kishidaia 118: 80. -- Show included taxa
Sánchez-Ruiz, A., Martínez, L. & Bonaldo, A. B. (2021). Three new species of the spider genus Nopsma (Araneae, Caponiidae, Nopinae) from Colombia. Zoosystematics and Evolution 97(2): 383-392. doi: 10.3897/zse.97.69089 -- Show included taxa
Sankaran, P. M. & Caleb, J. T. D. (2021). On the taxonomic validity of Indian ground spiders: V. Genera Megamyrmaekion Reuss, 1834, Sosticus Chamberlin, 1922 and Gaviphosa gen. nov. (Araneae: Gnaphosidae). Zootaxa 5040(4): 539-564. doi: 10.11646/zootaxa.5040.4.5 -- Show included taxa
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