Subfamilies formerly included Ctenodrilinae, Raphidrilinae, and Heterodrilinae (to Raphidrilinae). These now moved ... [details]
Since first described Longosomatidae (as Heterospio) were placed in the Spionida group. However, Wilson (2000: 193 ... [details]
Rouse et al (2022:256) considered that Laetmonectidae was likely to be a junior synonym of Acrocirridae and that ... [details]
Laetmonecticus nigrum is likely to be a valid species, although based on just one specimen. It seems that nothing ... [details]
Rouse et al (2022) regard family Longosomatidae as a redundant artificial rank as there is only one valid genus ... [details]
Although other genera have been in Lysaretidae Kinberg, 1865 during its history, the salient change was that type ... [details]