machaeridian (English, noun)
expansion: machaeridian (plural machaeridians)
Senses:
topics: biology
history
human-sciences
natural-sciences
paleontology
sciences
glosses: A fossil form of segmented (annelid) worm, of the class Machaeridia, that had a scaly armour of mineralised plates
Forms:
form: machaeridians
tags: plural