the terminal segment, division, or other structure in certain annelids, arthropods, and other invertebrates
Derived forms
pygidial (pyˈgidial)
adjective
Word origin
C19: from New Latin, from Greek pugē rump
Examples of 'pygidia' in a sentence
pygidia
Illaenid pygidia and cranidia were encrusted by cornulitids and trepostome bryozoans.
Olev Vinn, Ursula Toom, Mare Isakar 2017, 'The earliest cornulitid on the internal surface of the illaenid pygidium from theMiddle Ordovician of Estonia', Estonian Journal of Earth Scienceshttp://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2017/issue_4/earth-2017-4-193-197.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)