Enchytraeus albellus Klinth, Erséus and Rota, 2019

Erséus, Christer, Klinth, Mårten J., Rota, Emilia, De Wit, Pierre, Gustafsson, Daniel R. & Martinsson, Svante, 2019, The popular model annelid Enchytraeus albidus is only one species in a complex of seashore white worms (Clitellata, Enchytraeidae), Organisms Diversity & Evolution (New York, N. Y.) 19 (2), pp. 105-133 : 124

Enchytraeus albellus Klinth, Erséus and Rota , sp. nov.

( Fig. 11 )

Holotype SMNH Type Collection 9123 ( CE6100 ), mature specimen, whole-mounted on a slide, from Färlevfjorden (inner end of Gullmarfjorden), west coast of Sweden, 27 May 2009, leg. C. Erséus, A. Ansebo, and M. Johansson. COI barcode: GenBank MK266873 ; for more details, including GenBank accession numbers for additional genetic data, see Table 1 . Figures 11a–e are illustrations of this specimen.

Paratypes All from type locality, mature, and whole-mounted on slides. SMNH Type Collection 9124–9126 ( CE6101– 6103 ); for more details, including GenBank or BOLD accession numbers for genetic data, see Table 1 .

Other material studied SMNH 172888–172889 ( SM 144 and SM 189) two whole-mounted, mature specimens from a sandy, stony beach, Qeqertarsuaq town, Greenland; for more details, including GenBank numbers for genetic data, see Table 1 .

Figures

Fig. 11 Enchytraeus albellus Klinth, Erséus and Rota, sp. nov., holotype. a Sperm funnel. b Transverse section comparing thin- and thick-walled portions of vas deferens. c Longitudinal sec- tion comparing thin- and thick- walled portions of vas deferens. d Male apparatus. e Spermatheca. ag accessory glands, ed ectal duct, eg ectal gland, mu musculature, pb penial bulb, sa spermathecal ampulla, sf sperm funnel, sm sperm, vd vas deferens. Scale bars 100 μm