Spanish Promachocrinus kerguelensis Cited by user Aeveraal on 01 Apr 2024 Promachocrinus kerguelensis es una especie de crinoideo sin tallo que nadan libremente.
English Promachocrinus Cited by user Cwmhiraeth on 12 Mar 2019 Promachocrinus is a genus of free-swimming, stemless crinoids. It is a monotypic genus, and the only species in the genus is Promachocrinus kerguelensis.