rhombiferan
/rɒmˈbɪf(ə)rən/ /rɒmˈbɪf(ə)r(ə)n/Palaeontology
adjective
Of or relating to the class Rhombifera, which comprises cystoid echinoderms having diamond-shaped arrangements of pores on the thecal plates.
noun
A rhombiferan echinoderm.
Origin
1920s. From scientific Latin Rhombifera, earlier †Rhombiferi, class name (in K. A. von Zittel Handbuch der Palaeontologie I. 417, attributed to J. Müller; from scientific Latin rhombifer: see rhombifer) + -an.