The Irish Naturalists’ Journal Volume 37, Part 1 (published 1 March 2020, print circulation May 2020)
- Minor influence of ultramafic (serpentine) geology on plant foliar chemistry at Errisbeg, Connemara, Ireland.
- Ophrydium versatile Müller, a colonial peritrich ciliate (Protista) from Irish midland lakes and the Grand Canal.
- The status and distribution of Common Cord-grass (Spartina anglica) at Dungarvan, Co. Waterford, and an evaluation of ecological effects.
- The water fern Azolla filiculoides Lam. (Azollaceae): from well-established to disappeared (H9).
- Morphometrics and prey selection among Irish Stoats
- The status of Harbour Seals (Phoca vitulina Linnaeus) and Grey Seals (Halichoerus grypus (Fabricius)) at North Bull Island, Co. Dublin
- First records of American Lobster (Homarus americanus) (Crustacea: Nephropidae) from Irish waters.
- The hemipteran Aphelocheirus aestivalis (Fabricius, 1794) (Insecta: Hemiptera) from Lough Derg.
- First record of a stranded White Walnut or Butternut (Juglans cinerea L.) (Juglandaceae: Cardiocaryon) from Irish waters.
- A further record of a stranded Jamaican Walnut endocarp (Juglans jamaicensis C.DC.) (Juglandaceae: Cardiocaryon) from Irish waters.
- New Vice County records for a few bryophyte and charophyte species.
- Further records of the European Spiny Lobster (Palinurus elephas (Fabricius)) (Crustacea: Decapoda: Palinuridae) in the Irish Sea off Co. Dublin.
- Further records of rafting Northern Star Corals (Astrangia poculata (Ellis and Solander)) (Cnidaria: Anthozoa: Rhizangiidae) from Irish waters .
- The millipede Ophyiulus germanicus (Verhoeff) in Dublin.
- Stranding of cuttlefish ‘bones’ (Sepia officinalis L.) in County Cork, February 1985.
- First record of Ibalia leucospoides (Hymenoptera, Ibaliidae) in Ireland.
- Saxon Wasp (Dolichovespula saxonica (Fabricius)) (Hymenoptera, Vespidae), a social wasp species new to Ireland.
- Baetis atlanticus (Soldán and Godunko) (Ephemeroptera: Baetidae): a mayfly new to Ireland.
- A new addition to the Irish fauna from old specimens: the first Irish records of a globally-rare species of burying beetle Nicrophorus interruptus.
- Further evidence of Striped Dolphin (Stenella coeruleoalba) parturition in Irish waters.
- Mammals of Foynes Island, Co. Limerick.
- Records from the Irish Whale and Dolphin Group for 2018.
- Cryptic Grey Seal breeding site in North Donegal.
- Review of: ‘Ireland’s first settlers: time and the Mesolithic’
- Review of: ‘The diver’s guide to marine life of Britain and Ireland 2019 (2nd edition)’
- Review of: ‘Sea squirts and sponges of Britain and Ireland’
- Review of: ‘Atlas of the Hydrophiloid Beetles of Britain and Ireland’
- Review of: ‘The Ants of Central and North Europe’