Aaglacrinus
Aaglacrinus is an extinct genus of crinoidea in the Cladia order. It has been proposed that it was a stationary suspension feeder the hard parts of which were composed of magnesium calcite.
Aaglacrinus is an extinct genus of crinoidea in the Cladia order. It has been proposed that it was a stationary suspension feeder the hard parts of which were composed of magnesium calcite.