Description of Aegialoalaimusbratteni sp. n. from Skagerrak and a review of the genus (Aegialoalaimidae, Nematoda incertae sedis) Author Holovachov, Oleksandr text Biodiversity Data Journal 2015 3 5738 5738 http://dx.doi.org/10.3897/BDJ.3.e5738 journal article http://dx.doi.org/10.3897/BDJ.3.e5738 1314-2828-3-5738 Aegialoalaimus cylindricauda Allgen , 1933 Materials Type status: Holotype . Occurrence: catalogNumber: SMNH Type-3559 ; sex: female ; Record Level: institutionID: Department of Zoology, Swedish Museum of Natural History; collectionID: invertebrate type collection Description The only type specimen is preserved but its internal structures are poorly visible. Taxon discussion The original description is based on single female specimen ( Allgen 1933 : 62-63, Fig. 35). In general morphology, this specimen resembles members of the family Microlaimidae (Fig. 2A): amphid circular in shape; stoma funnel-shaped with small dorsal tooth; pharynx is muscular along its entire length, cylindrical in its anterior part and with well developed basal bulb; female reproductive system didelphic, gonads outstretched. This species is considered species inquirenda et incerta sedis within the family Microlaimidae .