Propappidae, Coates, 1986

Erséus, Christer, Williams, Bronwyn W., Horn, Kevin M., Halanych, Kenneth M., Santos, Scott R., James, Samuel W., Châtelliers, Michel Creuzé des & Anderson, Frank E., 2020, Phylogenomic analyses reveal a Palaeozoic radiation and support a freshwater origin for clitellate annelids, Zoologica Scripta 49 (5), pp. 614-640 : 625

3.3.2 | Propappidae and Enchytraeidae

These two families are generally recovered as sisters (e.g. Figure 1%, but with low support, and in a few trees, Propappus is sister either to a clade comprising Lumbriculida, Hirudinea , Crassiclitellata and two haplotaxids (Figure S3% or to a larger clade comprising the aforementioned clade plus Enchytraeidae (Supplementary Materials; Figures S1 and S5%. Propappidae is monotypic (= Propappus %, while the four genera representing Enchytraeidae (out of its>30 genera% are resolved. However, Guaranidrilus is usually recovered as sister to Grania + Enchytraeus (Figure 1%, but sometimes recovered as sister to Mesenchytraeus (e.g. Figures 2 and 3; Supplementary Materials%.