English Laetmogonidae Cited by user 107.242.121.16 on 08 Apr 2020 Laetmogonidae is a family of sea cucumbers.
English Ophiacanthidae Cited by user Umimmak on 21 Nov 2018 Ophiacanthidae is a family of brittle stars. Axel Vilhelm Ljungman circumscribed this taxon in 1867; he initially named the subfamily Ophiacanthinae within the family…
English Myriotrochus Cited by user WolfmanSF on 17 Sep 2018 Myriotrochus is a genus of sea cucumbers.
English Histocidaridae Cited by user Caftaric on 30 Oct 2016 Histocidaridae is an extinct family of sea urchins.