Communities My dashboard Log in Sign up Biodiversity Literature Repository Biodiversity Literature Repository by Plazi https://www.biolitrepo.org Submit to community Liberated Data Published March 17, 2026 | Version v1 Taxonomic treatment Open Crassiclitellata Authors/Creators Sousa, Sandriel Costa 1 Hernández-García, Luis Manuel 2 Beckman, Ruana Aretha Farias Santiago 3 Rousseau, Guillaume Xavier 4 Show affiliations 1.
Postgraduate program in Biodiversity and conservation, Federal University of Maranhão, Av. dos Portugueses, 1966, Department of Biology, UFMA, CEP 65080 - 805 São Luis-MA-Brazil. 2.
Programa de pós-graduação em Biodiversidade e Biotecnologia da Amazônia Legal (BIONORTE), Universidade Estadual do Maranhão, 65055 - 310, São Luís, Maranhão, Brazil. 3.
Post graduate Program in Agricultural Sciences, Maranhão State University (UEMA), Avenida Lourenço Vieira da Silva 1000, Jardim São Cristovão, 65055 - 310 São Luís, Maranhão, Brazil. 4.
Post graduate Program in Biodiversity, Environment and Health, Maranhão State University (UEMA), Centro de Estudos Superiores de Caxias, Praça Duque de Caxias, S / N, Morro do Alecrim, 65604 - 380, Caxias, Maranhão, Brazil. & Soil Biology Laboratory, Maranhão State University, Avenida Lourenço Vieira da Silva 1000, Jardim São Cristovão, 65055 - 310 São Luis, Maranhão, Brazil. Description Key to the earthworm species recorded in the sampled localities 1. Prostate present................................................................................... 2 1. Prostate absent.................................................................................... 8 2. Two pairs of intraclitellar prostates................................................. Dichogaster ( D. ) bolaui 2. One pair of intraclitellar prostates..................................................................... 3 3. Gizzard absent...................................................................... Liodrilus mendesi 3. Gizzard present................................................................................... 4 4. Intestinal gizzard (segments 16–22)................................................ Hyperiodrilus africanus 4. Pre-clitellar gizzard................................................................................ 5 5. Two pre-clitellar gizzards........................................................ Dichogaster ( D. ) saliens 5. One pre-clitellar gizzard............................................................................ 6 6. Gizzard in segment 6.................................................................... Arraia nelmae 6. Gizzard in segment 5............................................................................... 7 7. Spermathecae pretesticular.............................................................. Brasilisia punki 7. Spermathecae intraclitellar............................................................ Eudrilus eugeniae 8. One pair of calciferous glands in 11 or 12.............................................................. 9 8. More than one pair of calciferous glands.............................................................. 14 9. Two pairs of testes................................................................................ 10 9. One pair of testes................................................................................. 12 10. Tubercula pubertatis flat and wing-shaped............................................... Hosloscolex alatus 10. Tubercula pubertatis of another shape................................................................ 11 11. Spermathecae in segments 7 and 8................................................... Holoscolex fernandoi 11. Spermathecae in segments 8 and 9................................................... Holoscolex dossantosi 12. Intraclitellar spermathecae.......................................................... Righiodrilus Gurupi 12. Pre-clitellar spermathecae.......................................................................... 13 13. Calciferous glands with calcium reservoir.......................................... Righiodrilus tocantinensis 13. Calciferous glands without calcium reservoir........................................... Glossodrilus antunesi 14. Trabecular calciferous gland present................................................................. 15 14. Trabecular calciferous gland absent.................................................................. 16 15. Calciferous glands subdivided......................................................... Urobenus petrerei 15. Calciferous glands not subdivided................................................... Urobenus brasiliensis 16. Intramural lamellar calciferous glands................................................................ 17 16. Extramural calciferous glands....................................................................... 18 17. Spermathecae in segments 5–7....................................................... Atatina arimikuriaka 17. Spermathecae in segment 9.......................................................... Atatina arimikuritea 18. One pair of testes................................................................................. 19 18. More than one pair of testes........................................................................ 20 19. Quincunx setae at tail....................................................... Pontoscolex ( P .) corethrurus 19. Regular setae at tail................................................................ Pontoscolex ( P. ) awa 20. Calciferous glands tubular type ....................................................... Rhinodrilus antonioi 20. Calciferous glands lamellar type ..................................................................... 21 21. Length greater than 20 cm ...................................................... Andiorhinus ( T .) miricuri 21. Length less than 20 cm ........................................................ Andiorrhinus ( T .) barrosoi Notes Published as part of Sousa, Sandriel Costa, Hernández-García, Luis Manuel, Beckman, Ruana Aretha Farias Santiago & Rousseau, Guillaume Xavier, 2026, Earthworm species (Crassilitellata) from Eastern Amazonia and Northern Cerrado, Brazil, pp. 119-138 in Zootaxa 5777 (1) on pages 135-136, DOI: 10.11646/zootaxa.5777.1.5, http://zenodo.org/record/19180762 Files Files (5.5 kB) Name Size Download all treatment.html md5:36e0dfa6fd478df2f3467eb6e0dbc4ab 5.5 kB Download System files (24.8 kB) Name Size Download all application/vnd.plazi.v1+xml md5:6df6872a96fe62ad5a727e014df7e57d 24.8 kB Download Linked records Additional details Identifiers URL http://treatment.plazi.org/id/90278E13FFFBFF8557C5FC5A49B39748 Related works Is part of Journal article: 10.11646/zootaxa.5777.1.5 (DOI) Journal article: http://zenodo.org/record/19180762 (URL) Journal article: http://publication.plazi.org/id/6C1EF66BFFEBFF945752FFF54C2F9614 (URL) Journal article: http://zoobank.org/9061366D-15ED-436D-A7A5-E11C35792D9B (URL) Is source of https://biodiversitypmc.sibils.org/collections/plazi/90278E13FFFBFF8557C5FC5A49B39748 (URL) https://www.gbif.org/species/319357389 (URL) https://www.checklistbank.org/dataset/314873/taxon/90278E13FFFBFF8557C5FC5A49B39748.taxon (URL) Biodiversity Kingdom Animalia Phylum Annelida Order Crassiclitellata Taxon rank order 37 Views 14 Downloads Show more details All versions This version Views Total views 37 37 Downloads Total downloads 14 14 Data volume Total data volume 212.4 kB 212.4 kB More info on how stats are collected.... Versions External resources Indexed in OpenAIRE TreatmentBank GBIF Communities Keywords and subjects Keywords Biodiversity Taxonomy Animalia Annelida Clitellata Crassiclitellata Details DOI DOI Badge DOI 10.5281/zenodo.19559730 Markdown [](https://doi.org/10.5281/zenodo.19559730) reStructuredText .. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.19559730.svg :target: https://doi.org/10.5281/zenodo.19559730 HTML <a href="https://doi.org/10.5281/zenodo.19559730"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.19559730.svg" alt="DOI"></a> Image URL https://zenodo.org/badge/DOI/10.5281/zenodo.19559730.svg Target URL https://doi.org/10.5281/zenodo.19559730 Resource type Taxonomic treatment Publisher Zenodo Published in Earthworm species (Crassilitellata) from Eastern Amazonia and Northern Cerrado, Brazil, pp. 119-138 in Zootaxa, 5777(1), 135-136, 2026. Rights License Creative Commons Zero v1.0 Universal CC0 waives copyright interest in a work you've created and dedicates it to the world-wide public domain. Use CC0 to opt out of copyright entirely and ensure your work has the widest reach. Read more Citation Export Technical metadata Created April 13, 2026 Modified April 13, 2026 Jump up Managed by Plazi About About the Biodiversity Literature Repository Curation policy Funded by Powered by CERN Data Centre & InvenioRDM Verified community Status Privacy policy Cookie policy Terms of use This site uses cookies. Find out more on how we use cookies Accept all cookies Accept only essential cookies