Issue #
- (1) First earthworm (Annelida: Oligochaeta) species collections in Canada and the Continental United States. (pp. 1–50) Reynolds, J.W. 2018 (January) [paper in English; abstracts in English, French, Spanish, German, Swahili, and Kurdish]
- (2) New record of an earthworm in the Family Glossoscolecidae (Annelida: Oligochaeta) from Sikkim, India. (pp. 51–56). Subedi, H.P., R.M. Saxena and J.W. Reynolds. 2018 (January) [paper in English; abstracts in English, French, Spanish, German, and Nepali, with 12 colour plates]
- (3) Diversity of earthworms (Annelida: Oligochaeta) in Konni, a part of the Western Ghats of Kerala, India. (pp. 57-68). Sathrumithra, S., S.P. Narayanan, R. Anuja, P. Kurian, A.P. Thomas, J.M. Julka and J.W. Reynolds. 2018 (February) [paper in English; abstracts in English, French, Spanish, German, Malayalam, with 3 colour plates]
- (4) New records of earthworm species Amynthas morrisi, Perioynx himalayanus and Perioynx jorpokriensis (Oligochaeta: Megascolecidae) from Sikkim, India. (pp. 69–77). Subedi, H.P., R.M. Saxena and J.W. Reynolds. 2018 (February) [paper in English; abstracts in English, French, Nepali, Spanish, German, with 22 colour plates]
- (5) Megadrile earthworms (Annelida: Oligochaeta) around UDUPI Power Corporation Limited (UPCL), Udupi District, Karnataka, south-west coast of India. (pp. 79–91). Harish Kumar, T.S., K.S. Sreepada, S.P. Narayanan and J.W. Reynolds. 2018 (March) [paper in English; abstracts in English, French, Kannada, Spanish, German, with 2 colour plates]
- (6) Earthworms (Oligochaeta: Lumbricidae and Sparganophilidae) of the Sleeping Bear Dunes National Lakeshore, Benzie and Leelanau Counties, Michigan, USA. (pp. 93-100). Reynolds, J.W. and W.K. Reeves. 2018 (March) [paper in English; abstracts in English, French, Spanish, German, with 10 colour plates]
- (7) Earthworms (Oligochaeta: Lumbricidae) from the Jacquet River Gorge Protected Natural Area, New Brunswick. (pp. 103–107). McAlpine, D.F. and J.W. Reynolds. 2018 (April) [paper in English; abstracts in English, French, Spanish, German with 3 colour plates]
- (8) Earthworms of the Canyonlands of the East Frio River Watershed in Real County Texas, USA, including Diplocardia hebi, a new earthworm species (Annelida: Oligochaeta: Acanthodrilidae). (pp. 109–120). Damoff, G.A. 2018 (May) [paper in English; abstracts in English, French, Spanish, German, with 1 colour plate]
Newly described taxa in this issue: {Diplocardia hebi Damoff, 2018 – sp. nov.} - (9) New earthworm (Oligochaeta: Megascolecidae and Octochaetidae) records from the Emirate of Dubai, UAE. (pp. 121–128). Reynolds, J.W. 2018 (May) [paper in English; abstracts in English, French, Spanish, German, Arabic, with 10 colour plates]
- (10) New earthworm (Oligochaeta: Octochaetidae) records of Dichogaster curgensis and Octochaeta beatrix from Sikkim. (pp. 131–139). Subedi, H.P., R.M. Saxena and J.W. Reynolds. 2018 (June) [paper in English; abstracts in English, French, Nepali, Spanish, German, with 18 colour plates]
- (11) Preliminary key to Turkish Megadriles (Annelida, Clitellata, Oligochaeta), based on external characters, insofar as possible. (pp. 141–160). Reynolds, J.W. and I.M. Misirlioğlu. 2018 (July) [paper in English with some headings and terms in Turkish; abstracts in English, Turkish, French, Spanish, German, with 21 colour plates]
- (12) Earthworm (Oligochaeta) Diversity of Kumaum Himalayas, India with first record of Woodland Blue Worm, Octolasion cyaneum (Savigny, 1826), (Lumbricidae). (pp. 161–171). Rajwar, N, S.S. Bisht, V. Singh and J.W. Reynolds. 2018. (September) [paper in English; abstracts in English, French, Hindi, Spanish, German, with 1 colour plate]
- Index Volume 23. (pp. 172–173). Reynolds, J.W. 2018. (September) [paper in English, no abstract]