About us
Define
Definitions for
"Pinnules"
Keywords:
blastoids
,
cystoids
,
echinoderms
,
crinoids
,
filtration
Small, feather-like structures on the arms which form the filtration fan which stalked echinoderms (crinoids, cystoids, and blastoids) use to feed. The pinnules which are used to filter small food particles from the water.
palaeos.com
Keywords:
pinnae
,
divisions
Divisions of pinnae.
forestferns.co.uk
Keywords:
bipinnately
,
blades
,
leaf
,
branching
,
compound
the blades of the second branching of a bipinnately compound leaf
sfrc.ufl.edu