Holdfasts & floatation "bulbs"

Holdfasts & floatation "bulbs"

Product Specification

By looking at the flexibility of the stem and the nature of the hold fast you can work out how a particular crinoid lived. There are at least 3 modes of life inferred - "floaters", "fixers" and "wanderers". Hollow bulbous "holdfasts" suggest an open water floating lifestyle.

Grade: Collector

Species Name: Undetermined sp.

Location: Erfoud region

Country of Origin: Morocco

Age: Devonian

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