machaeridian
Noun
Meaning
machaeridian (plural machaeridians)
(paleontology) A fossil form of segmented (annelid) worm, of the class Machaeridia, that had a scaly armour of mineralised plates
Noun
machaeridian (plural machaeridians)
(paleontology) A fossil form of segmented (annelid) worm, of the class Machaeridia, that had a scaly armour of mineralised plates