Selective concentration of iron, titanium, and zirconium substrate minerals within Gregory’s diverticulum, an organ unique to derived sand dollars (Echinoidea: Scutelliformes)

Gregory’s diverticulum, a digestive tract structure unique to a derived group of sand dollars (Echinoidea: Scutelliformes), is filled with sand grains obtained from the substrate the animals inhabit. The simple methods of shining a bright light through a specimen or testing response to a magnet can...

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Bibliographic Details
Main Authors: Louis G. Zachos, Alexander Ziegler
Format: Article
Language:English
Published: PeerJ Inc. 2024-04-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/17178.pdf