资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pentremites \Pen`tre*mi"tes\, n. [NL., from Gr. ? five + L.
   remus an oar.] (Zo["o]l.)
   A genus of crinoids belonging to the Blastoidea. They have
   five petal-like ambulacra.