Hormogastridae Michaelsen, 1900

Misirlioğlu, Mete, Reynolds, John Warren, Stojanović, Mirjana, Trakić, Tanja, Sekulić, Jovana, James, Samuel W., Csuzdi, Csaba, Decaëns, Thibaud, Lapied, Emmanuel, Phillips, Helen R. P., Cameron, Erin K. & Brown, George G., 2023, Earthworms (Clitellata, Megadrili) of the world: an updated checklist of valid species and families, with notes on their distribution, Zootaxa 5255 (1), pp. 417-438 : 424

Hormogastridae Michaelsen, 1900

The family Hormogastridae was recently revised by Marchán et al. (2018) using an integrative approach including ecological, morphological and molecular data, and was shown to include nine genera ( Ailoscolex , Boucheona , Carpetania , Diazcosinia , Hemigastrodrilus , Hormogaster, Norana , Vignysa, Xanina ) and 37 species (plus three subspecies). The genus Ailoscolex , with its single known species Ailoscolex lacteospumosus Bouché , formerly in the family Ailoscolecidae was basal to all Hormogastridae but kept within the family. The genera show rather restricted distribution and little geographic overlap, with the exception of Norana with Hormogaster and Boucheona ( Marchán et al. 2018) . Overall, the family is restricted to Europe and Northern Africa, being found in Southern France, the Spanish Iberian Peninsula, Corsica, Sardinia, the Tuscan Archipelago, mainland Italy, Sicily, Algeria and Tunisia. So far, no Hormogastridae have been found in Portugal. Given the restricted range of most known species, the future discovery of new taxa in this family is highly probable (see Marchán et al. 2023b).